Home / 3,864.45-5,331.14-2,270.57

Finding the Fourth Proportional to 3,864.45, 5,331.14 and 2,270.57

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Solution

The fourth proportional to 3,864.45, 5,331.14 and 2,270.57 is: 3,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.45 : 5,331.14 = 2,270.57 : x
  2. Step 2: Convert to fraction form
    3,864.45/5,331.14 = 2,270.57/x
  3. Step 3: Cross multiply
    3,864.45x = 5,331.14 × 2,270.57
  4. Step 4: Simplify right side
    3,864.45x = 12,104,726.55
  5. Step 5: Solve for x
    x = 12,104,726.55/3,864.45
  6. Step 6: Final answer
    x = 3,132.33

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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.