Home / 3,488.40-5,232.60-1,296.90

Finding the Fourth Proportional to 3,488.40, 5,232.60 and 1,296.90

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Solution

The fourth proportional to 3,488.40, 5,232.60 and 1,296.90 is: 1,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.40 : 5,232.60 = 1,296.90 : x
  2. Step 2: Convert to fraction form
    3,488.40/5,232.60 = 1,296.90/x
  3. Step 3: Cross multiply
    3,488.40x = 5,232.60 × 1,296.90
  4. Step 4: Simplify right side
    3,488.40x = 6,786,158.94
  5. Step 5: Solve for x
    x = 6,786,158.94/3,488.40
  6. Step 6: Final answer
    x = 1,945.35

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Similar ratio
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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.