Home / 1,246.86-1,867.59-1,174.17

Finding the Fourth Proportional to 1,246.86, 1,867.59 and 1,174.17

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Solution

The fourth proportional to 1,246.86, 1,867.59 and 1,174.17 is: 1,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.86 : 1,867.59 = 1,174.17 : x
  2. Step 2: Convert to fraction form
    1,246.86/1,867.59 = 1,174.17/x
  3. Step 3: Cross multiply
    1,246.86x = 1,867.59 × 1,174.17
  4. Step 4: Simplify right side
    1,246.86x = 2,192,868.15
  5. Step 5: Solve for x
    x = 2,192,868.15/1,246.86
  6. Step 6: Final answer
    x = 1,758.71

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1.5x scale

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.