Home / 2,752.79-4,127.76-1,108.89

Finding the Fourth Proportional to 2,752.79, 4,127.76 and 1,108.89

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Solution

The fourth proportional to 2,752.79, 4,127.76 and 1,108.89 is: 1,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.79 : 4,127.76 = 1,108.89 : x
  2. Step 2: Convert to fraction form
    2,752.79/4,127.76 = 1,108.89/x
  3. Step 3: Cross multiply
    2,752.79x = 4,127.76 × 1,108.89
  4. Step 4: Simplify right side
    2,752.79x = 4,577,231.79
  5. Step 5: Solve for x
    x = 4,577,231.79/2,752.79
  6. Step 6: Final answer
    x = 1,662.76

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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.