Home / 1,778.28-2,654.56-1,650.08

Finding the Fourth Proportional to 1,778.28, 2,654.56 and 1,650.08

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Solution

The fourth proportional to 1,778.28, 2,654.56 and 1,650.08 is: 2,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.28 : 2,654.56 = 1,650.08 : x
  2. Step 2: Convert to fraction form
    1,778.28/2,654.56 = 1,650.08/x
  3. Step 3: Cross multiply
    1,778.28x = 2,654.56 × 1,650.08
  4. Step 4: Simplify right side
    1,778.28x = 4,380,236.36
  5. Step 5: Solve for x
    x = 4,380,236.36/1,778.28
  6. Step 6: Final answer
    x = 2,463.19

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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.