Home / 3,665.37-5,058.13-1,986.75

Finding the Fourth Proportional to 3,665.37, 5,058.13 and 1,986.75

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Solution

The fourth proportional to 3,665.37, 5,058.13 and 1,986.75 is: 2,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.37 : 5,058.13 = 1,986.75 : x
  2. Step 2: Convert to fraction form
    3,665.37/5,058.13 = 1,986.75/x
  3. Step 3: Cross multiply
    3,665.37x = 5,058.13 × 1,986.75
  4. Step 4: Simplify right side
    3,665.37x = 10,049,239.78
  5. Step 5: Solve for x
    x = 10,049,239.78/3,665.37
  6. Step 6: Final answer
    x = 2,741.67

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,666.37, 5,059.51 and 1,987.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.