Home / 2,282.48-3,423.33-638.99

Finding the Fourth Proportional to 2,282.48, 3,423.33 and 638.99

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Solution

The fourth proportional to 2,282.48, 3,423.33 and 638.99 is: 958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.48 : 3,423.33 = 638.99 : x
  2. Step 2: Convert to fraction form
    2,282.48/3,423.33 = 638.99/x
  3. Step 3: Cross multiply
    2,282.48x = 3,423.33 × 638.99
  4. Step 4: Simplify right side
    2,282.48x = 2,187,456.52
  5. Step 5: Solve for x
    x = 2,187,456.52/2,282.48
  6. Step 6: Final answer
    x = 958.37

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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.