Home / 1,521.92-2,279.68-1,504.64

Finding the Fourth Proportional to 1,521.92, 2,279.68 and 1,504.64

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Solution

The fourth proportional to 1,521.92, 2,279.68 and 1,504.64 is: 2,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521.92 : 2,279.68 = 1,504.64 : x
  2. Step 2: Convert to fraction form
    1,521.92/2,279.68 = 1,504.64/x
  3. Step 3: Cross multiply
    1,521.92x = 2,279.68 × 1,504.64
  4. Step 4: Simplify right side
    1,521.92x = 3,430,097.72
  5. Step 5: Solve for x
    x = 3,430,097.72/1,521.92
  6. Step 6: Final answer
    x = 2,253.80

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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.