Home / 3,869.70-5,338.08-2,296.68

Finding the Fourth Proportional to 3,869.70, 5,338.08 and 2,296.68

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Solution

The fourth proportional to 3,869.70, 5,338.08 and 2,296.68 is: 3,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.70 : 5,338.08 = 2,296.68 : x
  2. Step 2: Convert to fraction form
    3,869.70/5,338.08 = 2,296.68/x
  3. Step 3: Cross multiply
    3,869.70x = 5,338.08 × 2,296.68
  4. Step 4: Simplify right side
    3,869.70x = 12,259,861.57
  5. Step 5: Solve for x
    x = 12,259,861.57/3,869.70
  6. Step 6: Final answer
    x = 3,168.17

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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.