Home / 1,559.52-2,150.97-1,087.44

Finding the Fourth Proportional to 1,559.52, 2,150.97 and 1,087.44

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Solution

The fourth proportional to 1,559.52, 2,150.97 and 1,087.44 is: 1,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.52 : 2,150.97 = 1,087.44 : x
  2. Step 2: Convert to fraction form
    1,559.52/2,150.97 = 1,087.44/x
  3. Step 3: Cross multiply
    1,559.52x = 2,150.97 × 1,087.44
  4. Step 4: Simplify right side
    1,559.52x = 2,339,050.82
  5. Step 5: Solve for x
    x = 2,339,050.82/1,559.52
  6. Step 6: Final answer
    x = 1,499.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.