Home / 2,296.90-3,169.72-1,248.96

Finding the Fourth Proportional to 2,296.90, 3,169.72 and 1,248.96

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Solution

The fourth proportional to 2,296.90, 3,169.72 and 1,248.96 is: 1,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.90 : 3,169.72 = 1,248.96 : x
  2. Step 2: Convert to fraction form
    2,296.90/3,169.72 = 1,248.96/x
  3. Step 3: Cross multiply
    2,296.90x = 3,169.72 × 1,248.96
  4. Step 4: Simplify right side
    2,296.90x = 3,958,853.49
  5. Step 5: Solve for x
    x = 3,958,853.49/2,296.90
  6. Step 6: Final answer
    x = 1,723.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.