Home / 3,712.19-5,123.28-2,296.55

Finding the Fourth Proportional to 3,712.19, 5,123.28 and 2,296.55

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Solution

The fourth proportional to 3,712.19, 5,123.28 and 2,296.55 is: 3,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.19 : 5,123.28 = 2,296.55 : x
  2. Step 2: Convert to fraction form
    3,712.19/5,123.28 = 2,296.55/x
  3. Step 3: Cross multiply
    3,712.19x = 5,123.28 × 2,296.55
  4. Step 4: Simplify right side
    3,712.19x = 11,765,868.68
  5. Step 5: Solve for x
    x = 11,765,868.68/3,712.19
  6. Step 6: Final answer
    x = 3,169.52

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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.