Home / 3,459.27-4,770.57-2,278.29

Finding the Fourth Proportional to 3,459.27, 4,770.57 and 2,278.29

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Solution

The fourth proportional to 3,459.27, 4,770.57 and 2,278.29 is: 3,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.27 : 4,770.57 = 2,278.29 : x
  2. Step 2: Convert to fraction form
    3,459.27/4,770.57 = 2,278.29/x
  3. Step 3: Cross multiply
    3,459.27x = 4,770.57 × 2,278.29
  4. Step 4: Simplify right side
    3,459.27x = 10,868,741.93
  5. Step 5: Solve for x
    x = 10,868,741.93/3,459.27
  6. Step 6: Final answer
    x = 3,141.92

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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.