Home / 2,576.68-3,866.22-1,116.76

Finding the Fourth Proportional to 2,576.68, 3,866.22 and 1,116.76

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Solution

The fourth proportional to 2,576.68, 3,866.22 and 1,116.76 is: 1,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.68 : 3,866.22 = 1,116.76 : x
  2. Step 2: Convert to fraction form
    2,576.68/3,866.22 = 1,116.76/x
  3. Step 3: Cross multiply
    2,576.68x = 3,866.22 × 1,116.76
  4. Step 4: Simplify right side
    2,576.68x = 4,317,639.85
  5. Step 5: Solve for x
    x = 4,317,639.85/2,576.68
  6. Step 6: Final answer
    x = 1,675.66

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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.