Home / 2,172.56-3,260.28-1,001.84

Finding the Fourth Proportional to 2,172.56, 3,260.28 and 1,001.84

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Solution

The fourth proportional to 2,172.56, 3,260.28 and 1,001.84 is: 1,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.56 : 3,260.28 = 1,001.84 : x
  2. Step 2: Convert to fraction form
    2,172.56/3,260.28 = 1,001.84/x
  3. Step 3: Cross multiply
    2,172.56x = 3,260.28 × 1,001.84
  4. Step 4: Simplify right side
    2,172.56x = 3,266,278.92
  5. Step 5: Solve for x
    x = 3,266,278.92/2,172.56
  6. Step 6: Final answer
    x = 1,503.42

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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.