Home / 3,726.04-5,140.14-2,399.32

Finding the Fourth Proportional to 3,726.04, 5,140.14 and 2,399.32

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Solution

The fourth proportional to 3,726.04, 5,140.14 and 2,399.32 is: 3,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.04 : 5,140.14 = 2,399.32 : x
  2. Step 2: Convert to fraction form
    3,726.04/5,140.14 = 2,399.32/x
  3. Step 3: Cross multiply
    3,726.04x = 5,140.14 × 2,399.32
  4. Step 4: Simplify right side
    3,726.04x = 12,332,840.70
  5. Step 5: Solve for x
    x = 12,332,840.70/3,726.04
  6. Step 6: Final answer
    x = 3,309.91

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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.