Home / 1,747.20-2,410.46-1,000.76

Finding the Fourth Proportional to 1,747.20, 2,410.46 and 1,000.76

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Solution

The fourth proportional to 1,747.20, 2,410.46 and 1,000.76 is: 1,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.20 : 2,410.46 = 1,000.76 : x
  2. Step 2: Convert to fraction form
    1,747.20/2,410.46 = 1,000.76/x
  3. Step 3: Cross multiply
    1,747.20x = 2,410.46 × 1,000.76
  4. Step 4: Simplify right side
    1,747.20x = 2,412,274.89
  5. Step 5: Solve for x
    x = 2,412,274.89/1,747.20
  6. Step 6: Final answer
    x = 1,380.65

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Half scale
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Double scale
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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.