Home / 2,742.03-4,113.75-1,572.59

Finding the Fourth Proportional to 2,742.03, 4,113.75 and 1,572.59

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Solution

The fourth proportional to 2,742.03, 4,113.75 and 1,572.59 is: 2,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.03 : 4,113.75 = 1,572.59 : x
  2. Step 2: Convert to fraction form
    2,742.03/4,113.75 = 1,572.59/x
  3. Step 3: Cross multiply
    2,742.03x = 4,113.75 × 1,572.59
  4. Step 4: Simplify right side
    2,742.03x = 6,469,221.54
  5. Step 5: Solve for x
    x = 6,469,221.54/2,742.03
  6. Step 6: Final answer
    x = 2,359.28

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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.