Home / 2,911.46-4,365.92-1,132.26

Finding the Fourth Proportional to 2,911.46, 4,365.92 and 1,132.26

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Solution

The fourth proportional to 2,911.46, 4,365.92 and 1,132.26 is: 1,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.46 : 4,365.92 = 1,132.26 : x
  2. Step 2: Convert to fraction form
    2,911.46/4,365.92 = 1,132.26/x
  3. Step 3: Cross multiply
    2,911.46x = 4,365.92 × 1,132.26
  4. Step 4: Simplify right side
    2,911.46x = 4,943,356.58
  5. Step 5: Solve for x
    x = 4,943,356.58/2,911.46
  6. Step 6: Final answer
    x = 1,697.90

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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.