Home / 3,432.65-5,151.08-1,352.28

Finding the Fourth Proportional to 3,432.65, 5,151.08 and 1,352.28

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Solution

The fourth proportional to 3,432.65, 5,151.08 and 1,352.28 is: 2,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.65 : 5,151.08 = 1,352.28 : x
  2. Step 2: Convert to fraction form
    3,432.65/5,151.08 = 1,352.28/x
  3. Step 3: Cross multiply
    3,432.65x = 5,151.08 × 1,352.28
  4. Step 4: Simplify right side
    3,432.65x = 6,965,725.16
  5. Step 5: Solve for x
    x = 6,965,725.16/3,432.65
  6. Step 6: Final answer
    x = 2,029.26

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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.