Home / 2,283.63-3,149.76-1,399.92

Finding the Fourth Proportional to 2,283.63, 3,149.76 and 1,399.92

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Solution

The fourth proportional to 2,283.63, 3,149.76 and 1,399.92 is: 1,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.63 : 3,149.76 = 1,399.92 : x
  2. Step 2: Convert to fraction form
    2,283.63/3,149.76 = 1,399.92/x
  3. Step 3: Cross multiply
    2,283.63x = 3,149.76 × 1,399.92
  4. Step 4: Simplify right side
    2,283.63x = 4,409,412.02
  5. Step 5: Solve for x
    x = 4,409,412.02/2,283.63
  6. Step 6: Final answer
    x = 1,930.88

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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.