Home / 3,459.56-4,769.25-2,278.58

Finding the Fourth Proportional to 3,459.56, 4,769.25 and 2,278.58

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Solution

The fourth proportional to 3,459.56, 4,769.25 and 2,278.58 is: 3,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.56 : 4,769.25 = 2,278.58 : x
  2. Step 2: Convert to fraction form
    3,459.56/4,769.25 = 2,278.58/x
  3. Step 3: Cross multiply
    3,459.56x = 4,769.25 × 2,278.58
  4. Step 4: Simplify right side
    3,459.56x = 10,867,131.33
  5. Step 5: Solve for x
    x = 10,867,131.33/3,459.56
  6. Step 6: Final answer
    x = 3,141.19

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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.