Home / 1,479.27-2,218.90-554.92

Finding the Fourth Proportional to 1,479.27, 2,218.90 and 554.92

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Solution

The fourth proportional to 1,479.27, 2,218.90 and 554.92 is: 832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.27 : 2,218.90 = 554.92 : x
  2. Step 2: Convert to fraction form
    1,479.27/2,218.90 = 554.92/x
  3. Step 3: Cross multiply
    1,479.27x = 2,218.90 × 554.92
  4. Step 4: Simplify right side
    1,479.27x = 1,231,311.99
  5. Step 5: Solve for x
    x = 1,231,311.99/1,479.27
  6. Step 6: Final answer
    x = 832.38

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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.