Home / 1,331.24-1,994.98-1,001.96

Finding the Fourth Proportional to 1,331.24, 1,994.98 and 1,001.96

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Solution

The fourth proportional to 1,331.24, 1,994.98 and 1,001.96 is: 1,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.24 : 1,994.98 = 1,001.96 : x
  2. Step 2: Convert to fraction form
    1,331.24/1,994.98 = 1,001.96/x
  3. Step 3: Cross multiply
    1,331.24x = 1,994.98 × 1,001.96
  4. Step 4: Simplify right side
    1,331.24x = 1,998,890.16
  5. Step 5: Solve for x
    x = 1,998,890.16/1,331.24
  6. Step 6: Final answer
    x = 1,501.53

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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.