Home / 2,177.76-3,262.45-1,300.96

Finding the Fourth Proportional to 2,177.76, 3,262.45 and 1,300.96

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Solution

The fourth proportional to 2,177.76, 3,262.45 and 1,300.96 is: 1,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.76 : 3,262.45 = 1,300.96 : x
  2. Step 2: Convert to fraction form
    2,177.76/3,262.45 = 1,300.96/x
  3. Step 3: Cross multiply
    2,177.76x = 3,262.45 × 1,300.96
  4. Step 4: Simplify right side
    2,177.76x = 4,244,316.95
  5. Step 5: Solve for x
    x = 4,244,316.95/2,177.76
  6. Step 6: Final answer
    x = 1,948.94

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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.