Home / 2,172.73-3,256.47-1,001.12

Finding the Fourth Proportional to 2,172.73, 3,256.47 and 1,001.12

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Solution

The fourth proportional to 2,172.73, 3,256.47 and 1,001.12 is: 1,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.73 : 3,256.47 = 1,001.12 : x
  2. Step 2: Convert to fraction form
    2,172.73/3,256.47 = 1,001.12/x
  3. Step 3: Cross multiply
    2,172.73x = 3,256.47 × 1,001.12
  4. Step 4: Simplify right side
    2,172.73x = 3,260,112.24
  5. Step 5: Solve for x
    x = 3,260,112.24/2,172.73
  6. Step 6: Final answer
    x = 1,500.47

Related Problems

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Half scale
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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.