Home / 3,500.25-5,250.88-1,279.19

Finding the Fourth Proportional to 3,500.25, 5,250.88 and 1,279.19

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Solution

The fourth proportional to 3,500.25, 5,250.88 and 1,279.19 is: 1,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.25 : 5,250.88 = 1,279.19 : x
  2. Step 2: Convert to fraction form
    3,500.25/5,250.88 = 1,279.19/x
  3. Step 3: Cross multiply
    3,500.25x = 5,250.88 × 1,279.19
  4. Step 4: Simplify right side
    3,500.25x = 6,716,868.22
  5. Step 5: Solve for x
    x = 6,716,868.22/3,500.25
  6. Step 6: Final answer
    x = 1,918.97

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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.