Home / 2,775.36-4,161.15-1,042.50

Finding the Fourth Proportional to 2,775.36, 4,161.15 and 1,042.50

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Solution

The fourth proportional to 2,775.36, 4,161.15 and 1,042.50 is: 1,563.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.36 : 4,161.15 = 1,042.50 : x
  2. Step 2: Convert to fraction form
    2,775.36/4,161.15 = 1,042.50/x
  3. Step 3: Cross multiply
    2,775.36x = 4,161.15 × 1,042.50
  4. Step 4: Simplify right side
    2,775.36x = 4,337,998.88
  5. Step 5: Solve for x
    x = 4,337,998.88/2,775.36
  6. Step 6: Final answer
    x = 1,563.04

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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.