Home / 3,672.39-5,068.68-2,256.81

Finding the Fourth Proportional to 3,672.39, 5,068.68 and 2,256.81

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Solution

The fourth proportional to 3,672.39, 5,068.68 and 2,256.81 is: 3,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.39 : 5,068.68 = 2,256.81 : x
  2. Step 2: Convert to fraction form
    3,672.39/5,068.68 = 2,256.81/x
  3. Step 3: Cross multiply
    3,672.39x = 5,068.68 × 2,256.81
  4. Step 4: Simplify right side
    3,672.39x = 11,439,048.75
  5. Step 5: Solve for x
    x = 11,439,048.75/3,672.39
  6. Step 6: Final answer
    x = 3,114.88

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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.