Home / 2,225.47-3,337.23-764.77

Finding the Fourth Proportional to 2,225.47, 3,337.23 and 764.77

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Solution

The fourth proportional to 2,225.47, 3,337.23 and 764.77 is: 1,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.47 : 3,337.23 = 764.77 : x
  2. Step 2: Convert to fraction form
    2,225.47/3,337.23 = 764.77/x
  3. Step 3: Cross multiply
    2,225.47x = 3,337.23 × 764.77
  4. Step 4: Simplify right side
    2,225.47x = 2,552,213.39
  5. Step 5: Solve for x
    x = 2,552,213.39/2,225.47
  6. Step 6: Final answer
    x = 1,146.82

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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.