Home / 1,651.55-2,479.37-1,027.76

Finding the Fourth Proportional to 1,651.55, 2,479.37 and 1,027.76

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Solution

The fourth proportional to 1,651.55, 2,479.37 and 1,027.76 is: 1,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.55 : 2,479.37 = 1,027.76 : x
  2. Step 2: Convert to fraction form
    1,651.55/2,479.37 = 1,027.76/x
  3. Step 3: Cross multiply
    1,651.55x = 2,479.37 × 1,027.76
  4. Step 4: Simplify right side
    1,651.55x = 2,548,179.78
  5. Step 5: Solve for x
    x = 2,548,179.78/1,651.55
  6. Step 6: Final answer
    x = 1,542.91

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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.