Home / 3,588.42-5,382.77-1,279.92

Finding the Fourth Proportional to 3,588.42, 5,382.77 and 1,279.92

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Solution

The fourth proportional to 3,588.42, 5,382.77 and 1,279.92 is: 1,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.42 : 5,382.77 = 1,279.92 : x
  2. Step 2: Convert to fraction form
    3,588.42/5,382.77 = 1,279.92/x
  3. Step 3: Cross multiply
    3,588.42x = 5,382.77 × 1,279.92
  4. Step 4: Simplify right side
    3,588.42x = 6,889,508.58
  5. Step 5: Solve for x
    x = 6,889,508.58/3,588.42
  6. Step 6: Final answer
    x = 1,919.93

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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.