Home / 3,691.31-5,522.99-2,653.70

Finding the Fourth Proportional to 3,691.31, 5,522.99 and 2,653.70

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Solution

The fourth proportional to 3,691.31, 5,522.99 and 2,653.70 is: 3,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.31 : 5,522.99 = 2,653.70 : x
  2. Step 2: Convert to fraction form
    3,691.31/5,522.99 = 2,653.70/x
  3. Step 3: Cross multiply
    3,691.31x = 5,522.99 × 2,653.70
  4. Step 4: Simplify right side
    3,691.31x = 14,656,317.68
  5. Step 5: Solve for x
    x = 14,656,317.68/3,691.31
  6. Step 6: Final answer
    x = 3,970.50

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1.5x scale

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.