Home / 2,425.92-3,345.48-1,631.04

Finding the Fourth Proportional to 2,425.92, 3,345.48 and 1,631.04

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Solution

The fourth proportional to 2,425.92, 3,345.48 and 1,631.04 is: 2,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.92 : 3,345.48 = 1,631.04 : x
  2. Step 2: Convert to fraction form
    2,425.92/3,345.48 = 1,631.04/x
  3. Step 3: Cross multiply
    2,425.92x = 3,345.48 × 1,631.04
  4. Step 4: Simplify right side
    2,425.92x = 5,456,611.70
  5. Step 5: Solve for x
    x = 5,456,611.70/2,425.92
  6. Step 6: Final answer
    x = 2,249.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.