Home / 2,319.43-3,474.66-1,442.28

Finding the Fourth Proportional to 2,319.43, 3,474.66 and 1,442.28

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Solution

The fourth proportional to 2,319.43, 3,474.66 and 1,442.28 is: 2,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.43 : 3,474.66 = 1,442.28 : x
  2. Step 2: Convert to fraction form
    2,319.43/3,474.66 = 1,442.28/x
  3. Step 3: Cross multiply
    2,319.43x = 3,474.66 × 1,442.28
  4. Step 4: Simplify right side
    2,319.43x = 5,011,431.75
  5. Step 5: Solve for x
    x = 5,011,431.75/2,319.43
  6. Step 6: Final answer
    x = 2,160.63

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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.