Home / 1,079.26-1,619.12-348.91

Finding the Fourth Proportional to 1,079.26, 1,619.12 and 348.91

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Solution

The fourth proportional to 1,079.26, 1,619.12 and 348.91 is: 523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079.26 : 1,619.12 = 348.91 : x
  2. Step 2: Convert to fraction form
    1,079.26/1,619.12 = 348.91/x
  3. Step 3: Cross multiply
    1,079.26x = 1,619.12 × 348.91
  4. Step 4: Simplify right side
    1,079.26x = 564,923.98
  5. Step 5: Solve for x
    x = 564,923.98/1,079.26
  6. Step 6: Final answer
    x = 523.44

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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.