Home / 2,225.46-3,337.24-764.76

Finding the Fourth Proportional to 2,225.46, 3,337.24 and 764.76

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Solution

The fourth proportional to 2,225.46, 3,337.24 and 764.76 is: 1,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.46 : 3,337.24 = 764.76 : x
  2. Step 2: Convert to fraction form
    2,225.46/3,337.24 = 764.76/x
  3. Step 3: Cross multiply
    2,225.46x = 3,337.24 × 764.76
  4. Step 4: Simplify right side
    2,225.46x = 2,552,187.66
  5. Step 5: Solve for x
    x = 2,552,187.66/2,225.46
  6. Step 6: Final answer
    x = 1,146.81

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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.