Home / 3,592.78-5,387.35-1,643.31

Finding the Fourth Proportional to 3,592.78, 5,387.35 and 1,643.31

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Solution

The fourth proportional to 3,592.78, 5,387.35 and 1,643.31 is: 2,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.78 : 5,387.35 = 1,643.31 : x
  2. Step 2: Convert to fraction form
    3,592.78/5,387.35 = 1,643.31/x
  3. Step 3: Cross multiply
    3,592.78x = 5,387.35 × 1,643.31
  4. Step 4: Simplify right side
    3,592.78x = 8,853,086.13
  5. Step 5: Solve for x
    x = 8,853,086.13/3,592.78
  6. Step 6: Final answer
    x = 2,464.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.