Home / 4,141.68-5,715.18-2,278.68

Finding the Fourth Proportional to 4,141.68, 5,715.18 and 2,278.68

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Solution

The fourth proportional to 4,141.68, 5,715.18 and 2,278.68 is: 3,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.68 : 5,715.18 = 2,278.68 : x
  2. Step 2: Convert to fraction form
    4,141.68/5,715.18 = 2,278.68/x
  3. Step 3: Cross multiply
    4,141.68x = 5,715.18 × 2,278.68
  4. Step 4: Simplify right side
    4,141.68x = 13,023,066.36
  5. Step 5: Solve for x
    x = 13,023,066.36/4,141.68
  6. Step 6: Final answer
    x = 3,144.39

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Half scale
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Double scale
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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.