Home / 3,719.08-5,132.37-2,040.49

Finding the Fourth Proportional to 3,719.08, 5,132.37 and 2,040.49

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Solution

The fourth proportional to 3,719.08, 5,132.37 and 2,040.49 is: 2,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.08 : 5,132.37 = 2,040.49 : x
  2. Step 2: Convert to fraction form
    3,719.08/5,132.37 = 2,040.49/x
  3. Step 3: Cross multiply
    3,719.08x = 5,132.37 × 2,040.49
  4. Step 4: Simplify right side
    3,719.08x = 10,472,549.66
  5. Step 5: Solve for x
    x = 10,472,549.66/3,719.08
  6. Step 6: Final answer
    x = 2,815.90

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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.