Home / 2,772.75-4,161.11-1,541.15

Finding the Fourth Proportional to 2,772.75, 4,161.11 and 1,541.15

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Solution

The fourth proportional to 2,772.75, 4,161.11 and 1,541.15 is: 2,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.75 : 4,161.11 = 1,541.15 : x
  2. Step 2: Convert to fraction form
    2,772.75/4,161.11 = 1,541.15/x
  3. Step 3: Cross multiply
    2,772.75x = 4,161.11 × 1,541.15
  4. Step 4: Simplify right side
    2,772.75x = 6,412,866.17
  5. Step 5: Solve for x
    x = 6,412,866.17/2,772.75
  6. Step 6: Final answer
    x = 2,312.82

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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.