Home / 3,387.72-4,675.40-2,061.52

Finding the Fourth Proportional to 3,387.72, 4,675.40 and 2,061.52

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Solution

The fourth proportional to 3,387.72, 4,675.40 and 2,061.52 is: 2,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.72 : 4,675.40 = 2,061.52 : x
  2. Step 2: Convert to fraction form
    3,387.72/4,675.40 = 2,061.52/x
  3. Step 3: Cross multiply
    3,387.72x = 4,675.40 × 2,061.52
  4. Step 4: Simplify right side
    3,387.72x = 9,638,430.61
  5. Step 5: Solve for x
    x = 9,638,430.61/3,387.72
  6. Step 6: Final answer
    x = 2,845.11

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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.