Home / 1,803.20-2,704.19-748.58

Finding the Fourth Proportional to 1,803.20, 2,704.19 and 748.58

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Solution

The fourth proportional to 1,803.20, 2,704.19 and 748.58 is: 1,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.20 : 2,704.19 = 748.58 : x
  2. Step 2: Convert to fraction form
    1,803.20/2,704.19 = 748.58/x
  3. Step 3: Cross multiply
    1,803.20x = 2,704.19 × 748.58
  4. Step 4: Simplify right side
    1,803.20x = 2,024,285.29
  5. Step 5: Solve for x
    x = 2,024,285.29/1,803.20
  6. Step 6: Final answer
    x = 1,122.61

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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.