Home / 2,225.29-3,338.10-665.26

Finding the Fourth Proportional to 2,225.29, 3,338.10 and 665.26

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Solution

The fourth proportional to 2,225.29, 3,338.10 and 665.26 is: 997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.29 : 3,338.10 = 665.26 : x
  2. Step 2: Convert to fraction form
    2,225.29/3,338.10 = 665.26/x
  3. Step 3: Cross multiply
    2,225.29x = 3,338.10 × 665.26
  4. Step 4: Simplify right side
    2,225.29x = 2,220,704.41
  5. Step 5: Solve for x
    x = 2,220,704.41/2,225.29
  6. Step 6: Final answer
    x = 997.94

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1.5x scale

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.