Home / 3,726.72-5,143.68-2,484

Finding the Fourth Proportional to 3,726.72, 5,143.68 and 2,484

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Solution

The fourth proportional to 3,726.72, 5,143.68 and 2,484 is: 3,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.72 : 5,143.68 = 2,484 : x
  2. Step 2: Convert to fraction form
    3,726.72/5,143.68 = 2,484/x
  3. Step 3: Cross multiply
    3,726.72x = 5,143.68 × 2,484
  4. Step 4: Simplify right side
    3,726.72x = 12,776,901.12
  5. Step 5: Solve for x
    x = 12,776,901.12/3,726.72
  6. Step 6: Final answer
    x = 3,428.46

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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.