Home / 2,225.29-3,337.35-664.93

Finding the Fourth Proportional to 2,225.29, 3,337.35 and 664.93

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Solution

The fourth proportional to 2,225.29, 3,337.35 and 664.93 is: 997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.29 : 3,337.35 = 664.93 : x
  2. Step 2: Convert to fraction form
    2,225.29/3,337.35 = 664.93/x
  3. Step 3: Cross multiply
    2,225.29x = 3,337.35 × 664.93
  4. Step 4: Simplify right side
    2,225.29x = 2,219,104.14
  5. Step 5: Solve for x
    x = 2,219,104.14/2,225.29
  6. Step 6: Final answer
    x = 997.22

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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.