Home / 1,631.14-2,249.98-967.85

Finding the Fourth Proportional to 1,631.14, 2,249.98 and 967.85

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Solution

The fourth proportional to 1,631.14, 2,249.98 and 967.85 is: 1,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.14 : 2,249.98 = 967.85 : x
  2. Step 2: Convert to fraction form
    1,631.14/2,249.98 = 967.85/x
  3. Step 3: Cross multiply
    1,631.14x = 2,249.98 × 967.85
  4. Step 4: Simplify right side
    1,631.14x = 2,177,637.91
  5. Step 5: Solve for x
    x = 2,177,637.91/1,631.14
  6. Step 6: Final answer
    x = 1,335.04

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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.