Home / 2,644.20-3,965.85-1,000.35

Finding the Fourth Proportional to 2,644.20, 3,965.85 and 1,000.35

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Solution

The fourth proportional to 2,644.20, 3,965.85 and 1,000.35 is: 1,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.20 : 3,965.85 = 1,000.35 : x
  2. Step 2: Convert to fraction form
    2,644.20/3,965.85 = 1,000.35/x
  3. Step 3: Cross multiply
    2,644.20x = 3,965.85 × 1,000.35
  4. Step 4: Simplify right side
    2,644.20x = 3,967,238.05
  5. Step 5: Solve for x
    x = 3,967,238.05/2,644.20
  6. Step 6: Final answer
    x = 1,500.35

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Double scale
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Similar ratio
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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.