Home / 3,318.48-4,583.64-2,691.26

Finding the Fourth Proportional to 3,318.48, 4,583.64 and 2,691.26

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Solution

The fourth proportional to 3,318.48, 4,583.64 and 2,691.26 is: 3,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.48 : 4,583.64 = 2,691.26 : x
  2. Step 2: Convert to fraction form
    3,318.48/4,583.64 = 2,691.26/x
  3. Step 3: Cross multiply
    3,318.48x = 4,583.64 × 2,691.26
  4. Step 4: Simplify right side
    3,318.48x = 12,335,766.99
  5. Step 5: Solve for x
    x = 12,335,766.99/3,318.48
  6. Step 6: Final answer
    x = 3,717.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.