Home / 1,207.42-1,674.04-1,166.92

Finding the Fourth Proportional to 1,207.42, 1,674.04 and 1,166.92

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Solution

The fourth proportional to 1,207.42, 1,674.04 and 1,166.92 is: 1,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207.42 : 1,674.04 = 1,166.92 : x
  2. Step 2: Convert to fraction form
    1,207.42/1,674.04 = 1,166.92/x
  3. Step 3: Cross multiply
    1,207.42x = 1,674.04 × 1,166.92
  4. Step 4: Simplify right side
    1,207.42x = 1,953,470.76
  5. Step 5: Solve for x
    x = 1,953,470.76/1,207.42
  6. Step 6: Final answer
    x = 1,617.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.