Home / 2,296.81-3,169.58-1,248.87

Finding the Fourth Proportional to 2,296.81, 3,169.58 and 1,248.87

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Solution

The fourth proportional to 2,296.81, 3,169.58 and 1,248.87 is: 1,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.81 : 3,169.58 = 1,248.87 : x
  2. Step 2: Convert to fraction form
    2,296.81/3,169.58 = 1,248.87/x
  3. Step 3: Cross multiply
    2,296.81x = 3,169.58 × 1,248.87
  4. Step 4: Simplify right side
    2,296.81x = 3,958,391.81
  5. Step 5: Solve for x
    x = 3,958,391.81/2,296.81
  6. Step 6: Final answer
    x = 1,723.43

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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.