Home / 2,276.28-3,411.09-1,040.61

Finding the Fourth Proportional to 2,276.28, 3,411.09 and 1,040.61

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Solution

The fourth proportional to 2,276.28, 3,411.09 and 1,040.61 is: 1,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.28 : 3,411.09 = 1,040.61 : x
  2. Step 2: Convert to fraction form
    2,276.28/3,411.09 = 1,040.61/x
  3. Step 3: Cross multiply
    2,276.28x = 3,411.09 × 1,040.61
  4. Step 4: Simplify right side
    2,276.28x = 3,549,614.36
  5. Step 5: Solve for x
    x = 3,549,614.36/2,276.28
  6. Step 6: Final answer
    x = 1,559.39

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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.