Home / 2,052.20-3,079.38-897.92

Finding the Fourth Proportional to 2,052.20, 3,079.38 and 897.92

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Solution

The fourth proportional to 2,052.20, 3,079.38 and 897.92 is: 1,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.20 : 3,079.38 = 897.92 : x
  2. Step 2: Convert to fraction form
    2,052.20/3,079.38 = 897.92/x
  3. Step 3: Cross multiply
    2,052.20x = 3,079.38 × 897.92
  4. Step 4: Simplify right side
    2,052.20x = 2,765,036.89
  5. Step 5: Solve for x
    x = 2,765,036.89/2,052.20
  6. Step 6: Final answer
    x = 1,347.35

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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.