Home / 3,726.90-5,143.39-2,465.75

Finding the Fourth Proportional to 3,726.90, 5,143.39 and 2,465.75

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Solution

The fourth proportional to 3,726.90, 5,143.39 and 2,465.75 is: 3,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.90 : 5,143.39 = 2,465.75 : x
  2. Step 2: Convert to fraction form
    3,726.90/5,143.39 = 2,465.75/x
  3. Step 3: Cross multiply
    3,726.90x = 5,143.39 × 2,465.75
  4. Step 4: Simplify right side
    3,726.90x = 12,682,320.59
  5. Step 5: Solve for x
    x = 12,682,320.59/3,726.90
  6. Step 6: Final answer
    x = 3,402.91

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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.