Home / 1,519.59-2,280.03-826.75

Finding the Fourth Proportional to 1,519.59, 2,280.03 and 826.75

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Solution

The fourth proportional to 1,519.59, 2,280.03 and 826.75 is: 1,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.59 : 2,280.03 = 826.75 : x
  2. Step 2: Convert to fraction form
    1,519.59/2,280.03 = 826.75/x
  3. Step 3: Cross multiply
    1,519.59x = 2,280.03 × 826.75
  4. Step 4: Simplify right side
    1,519.59x = 1,885,014.80
  5. Step 5: Solve for x
    x = 1,885,014.80/1,519.59
  6. Step 6: Final answer
    x = 1,240.48

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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.