Home / 2,156.60-3,233.28-1,001

Finding the Fourth Proportional to 2,156.60, 3,233.28 and 1,001

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Solution

The fourth proportional to 2,156.60, 3,233.28 and 1,001 is: 1,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.60 : 3,233.28 = 1,001 : x
  2. Step 2: Convert to fraction form
    2,156.60/3,233.28 = 1,001/x
  3. Step 3: Cross multiply
    2,156.60x = 3,233.28 × 1,001
  4. Step 4: Simplify right side
    2,156.60x = 3,236,513.28
  5. Step 5: Solve for x
    x = 3,236,513.28/2,156.60
  6. Step 6: Final answer
    x = 1,500.75

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Double scale
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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.