Home / 3,864.61-5,331.76-2,539.03

Finding the Fourth Proportional to 3,864.61, 5,331.76 and 2,539.03

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Solution

The fourth proportional to 3,864.61, 5,331.76 and 2,539.03 is: 3,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.61 : 5,331.76 = 2,539.03 : x
  2. Step 2: Convert to fraction form
    3,864.61/5,331.76 = 2,539.03/x
  3. Step 3: Cross multiply
    3,864.61x = 5,331.76 × 2,539.03
  4. Step 4: Simplify right side
    3,864.61x = 13,537,498.59
  5. Step 5: Solve for x
    x = 13,537,498.59/3,864.61
  6. Step 6: Final answer
    x = 3,502.94

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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.