Home / 1,319.93-1,974.07-1,174.71

Finding the Fourth Proportional to 1,319.93, 1,974.07 and 1,174.71

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Solution

The fourth proportional to 1,319.93, 1,974.07 and 1,174.71 is: 1,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319.93 : 1,974.07 = 1,174.71 : x
  2. Step 2: Convert to fraction form
    1,319.93/1,974.07 = 1,174.71/x
  3. Step 3: Cross multiply
    1,319.93x = 1,974.07 × 1,174.71
  4. Step 4: Simplify right side
    1,319.93x = 2,318,959.77
  5. Step 5: Solve for x
    x = 2,318,959.77/1,319.93
  6. Step 6: Final answer
    x = 1,756.88

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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.