Home / 2,261.79-3,392.28-1,029.24

Finding the Fourth Proportional to 2,261.79, 3,392.28 and 1,029.24

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Solution

The fourth proportional to 2,261.79, 3,392.28 and 1,029.24 is: 1,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.79 : 3,392.28 = 1,029.24 : x
  2. Step 2: Convert to fraction form
    2,261.79/3,392.28 = 1,029.24/x
  3. Step 3: Cross multiply
    2,261.79x = 3,392.28 × 1,029.24
  4. Step 4: Simplify right side
    2,261.79x = 3,491,470.27
  5. Step 5: Solve for x
    x = 3,491,470.27/2,261.79
  6. Step 6: Final answer
    x = 1,543.68

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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.