Home / 3,864.67-5,331.27-2,445.96

Finding the Fourth Proportional to 3,864.67, 5,331.27 and 2,445.96

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Solution

The fourth proportional to 3,864.67, 5,331.27 and 2,445.96 is: 3,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.67 : 5,331.27 = 2,445.96 : x
  2. Step 2: Convert to fraction form
    3,864.67/5,331.27 = 2,445.96/x
  3. Step 3: Cross multiply
    3,864.67x = 5,331.27 × 2,445.96
  4. Step 4: Simplify right side
    3,864.67x = 13,040,073.17
  5. Step 5: Solve for x
    x = 13,040,073.17/3,864.67
  6. Step 6: Final answer
    x = 3,374.18

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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.