Home / 2,576.18-3,864.27-1,479.85

Finding the Fourth Proportional to 2,576.18, 3,864.27 and 1,479.85

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Solution

The fourth proportional to 2,576.18, 3,864.27 and 1,479.85 is: 2,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.18 : 3,864.27 = 1,479.85 : x
  2. Step 2: Convert to fraction form
    2,576.18/3,864.27 = 1,479.85/x
  3. Step 3: Cross multiply
    2,576.18x = 3,864.27 × 1,479.85
  4. Step 4: Simplify right side
    2,576.18x = 5,718,539.96
  5. Step 5: Solve for x
    x = 5,718,539.96/2,576.18
  6. Step 6: Final answer
    x = 2,219.78

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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.