Home / 1,349.08-2,022.90-482.92

Finding the Fourth Proportional to 1,349.08, 2,022.90 and 482.92

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Solution

The fourth proportional to 1,349.08, 2,022.90 and 482.92 is: 724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.08 : 2,022.90 = 482.92 : x
  2. Step 2: Convert to fraction form
    1,349.08/2,022.90 = 482.92/x
  3. Step 3: Cross multiply
    1,349.08x = 2,022.90 × 482.92
  4. Step 4: Simplify right side
    1,349.08x = 976,898.87
  5. Step 5: Solve for x
    x = 976,898.87/1,349.08
  6. Step 6: Final answer
    x = 724.12

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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.