Home / 3,058.75-4,221.44-1,816.75

Finding the Fourth Proportional to 3,058.75, 4,221.44 and 1,816.75

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Solution

The fourth proportional to 3,058.75, 4,221.44 and 1,816.75 is: 2,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.75 : 4,221.44 = 1,816.75 : x
  2. Step 2: Convert to fraction form
    3,058.75/4,221.44 = 1,816.75/x
  3. Step 3: Cross multiply
    3,058.75x = 4,221.44 × 1,816.75
  4. Step 4: Simplify right side
    3,058.75x = 7,669,301.12
  5. Step 5: Solve for x
    x = 7,669,301.12/3,058.75
  6. Step 6: Final answer
    x = 2,507.33

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,059.75, 4,222.82 and 1,817.75
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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.