Home / 1,166.12-1,749.51-344.42

Finding the Fourth Proportional to 1,166.12, 1,749.51 and 344.42

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Solution

The fourth proportional to 1,166.12, 1,749.51 and 344.42 is: 516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.12 : 1,749.51 = 344.42 : x
  2. Step 2: Convert to fraction form
    1,166.12/1,749.51 = 344.42/x
  3. Step 3: Cross multiply
    1,166.12x = 1,749.51 × 344.42
  4. Step 4: Simplify right side
    1,166.12x = 602,557.49
  5. Step 5: Solve for x
    x = 602,557.49/1,166.12
  6. Step 6: Final answer
    x = 516.72

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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.