Home / 3,456.13-5,186.42-1,508.53

Finding the Fourth Proportional to 3,456.13, 5,186.42 and 1,508.53

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Solution

The fourth proportional to 3,456.13, 5,186.42 and 1,508.53 is: 2,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.13 : 5,186.42 = 1,508.53 : x
  2. Step 2: Convert to fraction form
    3,456.13/5,186.42 = 1,508.53/x
  3. Step 3: Cross multiply
    3,456.13x = 5,186.42 × 1,508.53
  4. Step 4: Simplify right side
    3,456.13x = 7,823,862.62
  5. Step 5: Solve for x
    x = 7,823,862.62/3,456.13
  6. Step 6: Final answer
    x = 2,263.76

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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.