Home / 3,432.65-5,140.71-3,260.39

Finding the Fourth Proportional to 3,432.65, 5,140.71 and 3,260.39

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Solution

The fourth proportional to 3,432.65, 5,140.71 and 3,260.39 is: 4,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.65 : 5,140.71 = 3,260.39 : x
  2. Step 2: Convert to fraction form
    3,432.65/5,140.71 = 3,260.39/x
  3. Step 3: Cross multiply
    3,432.65x = 5,140.71 × 3,260.39
  4. Step 4: Simplify right side
    3,432.65x = 16,760,693.77
  5. Step 5: Solve for x
    x = 16,760,693.77/3,432.65
  6. Step 6: Final answer
    x = 4,882.73

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1.5x scale

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.