Home / 3,517.86-5,280.66-1,762.39

Finding the Fourth Proportional to 3,517.86, 5,280.66 and 1,762.39

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Solution

The fourth proportional to 3,517.86, 5,280.66 and 1,762.39 is: 2,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.86 : 5,280.66 = 1,762.39 : x
  2. Step 2: Convert to fraction form
    3,517.86/5,280.66 = 1,762.39/x
  3. Step 3: Cross multiply
    3,517.86x = 5,280.66 × 1,762.39
  4. Step 4: Simplify right side
    3,517.86x = 9,306,588.98
  5. Step 5: Solve for x
    x = 9,306,588.98/3,517.86
  6. Step 6: Final answer
    x = 2,645.52

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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.