Home / 3,726.87-5,143.32-2,465.75

Finding the Fourth Proportional to 3,726.87, 5,143.32 and 2,465.75

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Solution

The fourth proportional to 3,726.87, 5,143.32 and 2,465.75 is: 3,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.87 : 5,143.32 = 2,465.75 : x
  2. Step 2: Convert to fraction form
    3,726.87/5,143.32 = 2,465.75/x
  3. Step 3: Cross multiply
    3,726.87x = 5,143.32 × 2,465.75
  4. Step 4: Simplify right side
    3,726.87x = 12,682,115.57
  5. Step 5: Solve for x
    x = 12,682,115.57/3,726.87
  6. Step 6: Final answer
    x = 3,402.89

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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.