Home / 2,264.40-3,393.36-2,147.76

Finding the Fourth Proportional to 2,264.40, 3,393.36 and 2,147.76

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Solution

The fourth proportional to 2,264.40, 3,393.36 and 2,147.76 is: 3,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.40 : 3,393.36 = 2,147.76 : x
  2. Step 2: Convert to fraction form
    2,264.40/3,393.36 = 2,147.76/x
  3. Step 3: Cross multiply
    2,264.40x = 3,393.36 × 2,147.76
  4. Step 4: Simplify right side
    2,264.40x = 7,288,122.87
  5. Step 5: Solve for x
    x = 7,288,122.87/2,264.40
  6. Step 6: Final answer
    x = 3,218.57

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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.