Home / 2,542.75-3,810.51-1,152.65

Finding the Fourth Proportional to 2,542.75, 3,810.51 and 1,152.65

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Solution

The fourth proportional to 2,542.75, 3,810.51 and 1,152.65 is: 1,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.75 : 3,810.51 = 1,152.65 : x
  2. Step 2: Convert to fraction form
    2,542.75/3,810.51 = 1,152.65/x
  3. Step 3: Cross multiply
    2,542.75x = 3,810.51 × 1,152.65
  4. Step 4: Simplify right side
    2,542.75x = 4,392,193.88
  5. Step 5: Solve for x
    x = 4,392,193.88/2,542.75
  6. Step 6: Final answer
    x = 1,727.34

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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.