Home / 2,517.03-3,472.34-1,572.21

Finding the Fourth Proportional to 2,517.03, 3,472.34 and 1,572.21

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Solution

The fourth proportional to 2,517.03, 3,472.34 and 1,572.21 is: 2,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.03 : 3,472.34 = 1,572.21 : x
  2. Step 2: Convert to fraction form
    2,517.03/3,472.34 = 1,572.21/x
  3. Step 3: Cross multiply
    2,517.03x = 3,472.34 × 1,572.21
  4. Step 4: Simplify right side
    2,517.03x = 5,459,239.81
  5. Step 5: Solve for x
    x = 5,459,239.81/2,517.03
  6. Step 6: Final answer
    x = 2,168.92

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1.5x scale

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.