Home / 3,726.82-5,143.53-2,486.98

Finding the Fourth Proportional to 3,726.82, 5,143.53 and 2,486.98

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Solution

The fourth proportional to 3,726.82, 5,143.53 and 2,486.98 is: 3,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.82 : 5,143.53 = 2,486.98 : x
  2. Step 2: Convert to fraction form
    3,726.82/5,143.53 = 2,486.98/x
  3. Step 3: Cross multiply
    3,726.82x = 5,143.53 × 2,486.98
  4. Step 4: Simplify right side
    3,726.82x = 12,791,856.24
  5. Step 5: Solve for x
    x = 12,791,856.24/3,726.82
  6. Step 6: Final answer
    x = 3,432.38

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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.