Home / 3,726.15-5,140.61-2,400.63

Finding the Fourth Proportional to 3,726.15, 5,140.61 and 2,400.63

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Solution

The fourth proportional to 3,726.15, 5,140.61 and 2,400.63 is: 3,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.15 : 5,140.61 = 2,400.63 : x
  2. Step 2: Convert to fraction form
    3,726.15/5,140.61 = 2,400.63/x
  3. Step 3: Cross multiply
    3,726.15x = 5,140.61 × 2,400.63
  4. Step 4: Simplify right side
    3,726.15x = 12,340,702.58
  5. Step 5: Solve for x
    x = 12,340,702.58/3,726.15
  6. Step 6: Final answer
    x = 3,311.92

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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.