Home / 3,726.39-5,142.91-2,403.95

Finding the Fourth Proportional to 3,726.39, 5,142.91 and 2,403.95

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Solution

The fourth proportional to 3,726.39, 5,142.91 and 2,403.95 is: 3,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.39 : 5,142.91 = 2,403.95 : x
  2. Step 2: Convert to fraction form
    3,726.39/5,142.91 = 2,403.95/x
  3. Step 3: Cross multiply
    3,726.39x = 5,142.91 × 2,403.95
  4. Step 4: Simplify right side
    3,726.39x = 12,363,271.28
  5. Step 5: Solve for x
    x = 12,363,271.28/3,726.39
  6. Step 6: Final answer
    x = 3,317.76

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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.