Home / 1,245.59-1,867.43-1,074.27

Finding the Fourth Proportional to 1,245.59, 1,867.43 and 1,074.27

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Solution

The fourth proportional to 1,245.59, 1,867.43 and 1,074.27 is: 1,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245.59 : 1,867.43 = 1,074.27 : x
  2. Step 2: Convert to fraction form
    1,245.59/1,867.43 = 1,074.27/x
  3. Step 3: Cross multiply
    1,245.59x = 1,867.43 × 1,074.27
  4. Step 4: Simplify right side
    1,245.59x = 2,006,124.03
  5. Step 5: Solve for x
    x = 2,006,124.03/1,245.59
  6. Step 6: Final answer
    x = 1,610.58

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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.