Home / 3,726.14-5,143.64-2,515.05

Finding the Fourth Proportional to 3,726.14, 5,143.64 and 2,515.05

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Solution

The fourth proportional to 3,726.14, 5,143.64 and 2,515.05 is: 3,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.14 : 5,143.64 = 2,515.05 : x
  2. Step 2: Convert to fraction form
    3,726.14/5,143.64 = 2,515.05/x
  3. Step 3: Cross multiply
    3,726.14x = 5,143.64 × 2,515.05
  4. Step 4: Simplify right side
    3,726.14x = 12,936,499.21
  5. Step 5: Solve for x
    x = 12,936,499.21/3,726.14
  6. Step 6: Final answer
    x = 3,471.83

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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.