Home / 3,625.92-5,439.06-1,317.42

Finding the Fourth Proportional to 3,625.92, 5,439.06 and 1,317.42

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Solution

The fourth proportional to 3,625.92, 5,439.06 and 1,317.42 is: 1,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.92 : 5,439.06 = 1,317.42 : x
  2. Step 2: Convert to fraction form
    3,625.92/5,439.06 = 1,317.42/x
  3. Step 3: Cross multiply
    3,625.92x = 5,439.06 × 1,317.42
  4. Step 4: Simplify right side
    3,625.92x = 7,165,526.43
  5. Step 5: Solve for x
    x = 7,165,526.43/3,625.92
  6. Step 6: Final answer
    x = 1,976.20

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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.