Home / 2,283.62-3,149.49-1,399.10

Finding the Fourth Proportional to 2,283.62, 3,149.49 and 1,399.10

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Solution

The fourth proportional to 2,283.62, 3,149.49 and 1,399.10 is: 1,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.62 : 3,149.49 = 1,399.10 : x
  2. Step 2: Convert to fraction form
    2,283.62/3,149.49 = 1,399.10/x
  3. Step 3: Cross multiply
    2,283.62x = 3,149.49 × 1,399.10
  4. Step 4: Simplify right side
    2,283.62x = 4,406,451.46
  5. Step 5: Solve for x
    x = 4,406,451.46/2,283.62
  6. Step 6: Final answer
    x = 1,929.59

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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.