Home / 3,247.20-4,870.26-907.38

Finding the Fourth Proportional to 3,247.20, 4,870.26 and 907.38

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Solution

The fourth proportional to 3,247.20, 4,870.26 and 907.38 is: 1,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.20 : 4,870.26 = 907.38 : x
  2. Step 2: Convert to fraction form
    3,247.20/4,870.26 = 907.38/x
  3. Step 3: Cross multiply
    3,247.20x = 4,870.26 × 907.38
  4. Step 4: Simplify right side
    3,247.20x = 4,419,176.52
  5. Step 5: Solve for x
    x = 4,419,176.52/3,247.20
  6. Step 6: Final answer
    x = 1,360.92

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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.