Home / 1,266.17-1,748.12-1,204.79

Finding the Fourth Proportional to 1,266.17, 1,748.12 and 1,204.79

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Solution

The fourth proportional to 1,266.17, 1,748.12 and 1,204.79 is: 1,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.17 : 1,748.12 = 1,204.79 : x
  2. Step 2: Convert to fraction form
    1,266.17/1,748.12 = 1,204.79/x
  3. Step 3: Cross multiply
    1,266.17x = 1,748.12 × 1,204.79
  4. Step 4: Simplify right side
    1,266.17x = 2,106,102.73
  5. Step 5: Solve for x
    x = 2,106,102.73/1,266.17
  6. Step 6: Final answer
    x = 1,663.37

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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.