Home / 1,254.20-1,872.44-960.16

Finding the Fourth Proportional to 1,254.20, 1,872.44 and 960.16

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Solution

The fourth proportional to 1,254.20, 1,872.44 and 960.16 is: 1,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.20 : 1,872.44 = 960.16 : x
  2. Step 2: Convert to fraction form
    1,254.20/1,872.44 = 960.16/x
  3. Step 3: Cross multiply
    1,254.20x = 1,872.44 × 960.16
  4. Step 4: Simplify right side
    1,254.20x = 1,797,841.99
  5. Step 5: Solve for x
    x = 1,797,841.99/1,254.20
  6. Step 6: Final answer
    x = 1,433.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.