Home / 1,758.24-2,631.96-1,105.92

Finding the Fourth Proportional to 1,758.24, 2,631.96 and 1,105.92

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Solution

The fourth proportional to 1,758.24, 2,631.96 and 1,105.92 is: 1,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.24 : 2,631.96 = 1,105.92 : x
  2. Step 2: Convert to fraction form
    1,758.24/2,631.96 = 1,105.92/x
  3. Step 3: Cross multiply
    1,758.24x = 2,631.96 × 1,105.92
  4. Step 4: Simplify right side
    1,758.24x = 2,910,737.20
  5. Step 5: Solve for x
    x = 2,910,737.20/1,758.24
  6. Step 6: Final answer
    x = 1,655.48

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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.