Home / 3,358.56-5,040.72-2,678.88

Finding the Fourth Proportional to 3,358.56, 5,040.72 and 2,678.88

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Solution

The fourth proportional to 3,358.56, 5,040.72 and 2,678.88 is: 4,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.56 : 5,040.72 = 2,678.88 : x
  2. Step 2: Convert to fraction form
    3,358.56/5,040.72 = 2,678.88/x
  3. Step 3: Cross multiply
    3,358.56x = 5,040.72 × 2,678.88
  4. Step 4: Simplify right side
    3,358.56x = 13,503,483.99
  5. Step 5: Solve for x
    x = 13,503,483.99/3,358.56
  6. Step 6: Final answer
    x = 4,020.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.