Home / 3,456.29-5,182.36-1,376.62

Finding the Fourth Proportional to 3,456.29, 5,182.36 and 1,376.62

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Solution

The fourth proportional to 3,456.29, 5,182.36 and 1,376.62 is: 2,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.29 : 5,182.36 = 1,376.62 : x
  2. Step 2: Convert to fraction form
    3,456.29/5,182.36 = 1,376.62/x
  3. Step 3: Cross multiply
    3,456.29x = 5,182.36 × 1,376.62
  4. Step 4: Simplify right side
    3,456.29x = 7,134,140.42
  5. Step 5: Solve for x
    x = 7,134,140.42/3,456.29
  6. Step 6: Final answer
    x = 2,064.10

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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.