Home / 3,726.11-5,142.52-2,403.66

Finding the Fourth Proportional to 3,726.11, 5,142.52 and 2,403.66

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Solution

The fourth proportional to 3,726.11, 5,142.52 and 2,403.66 is: 3,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.11 : 5,142.52 = 2,403.66 : x
  2. Step 2: Convert to fraction form
    3,726.11/5,142.52 = 2,403.66/x
  3. Step 3: Cross multiply
    3,726.11x = 5,142.52 × 2,403.66
  4. Step 4: Simplify right side
    3,726.11x = 12,360,877.45
  5. Step 5: Solve for x
    x = 12,360,877.45/3,726.11
  6. Step 6: Final answer
    x = 3,317.37

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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.