Home / 2,949.90-4,073.32-2,634.60

Finding the Fourth Proportional to 2,949.90, 4,073.32 and 2,634.60

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Solution

The fourth proportional to 2,949.90, 4,073.32 and 2,634.60 is: 3,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.90 : 4,073.32 = 2,634.60 : x
  2. Step 2: Convert to fraction form
    2,949.90/4,073.32 = 2,634.60/x
  3. Step 3: Cross multiply
    2,949.90x = 4,073.32 × 2,634.60
  4. Step 4: Simplify right side
    2,949.90x = 10,731,568.87
  5. Step 5: Solve for x
    x = 10,731,568.87/2,949.90
  6. Step 6: Final answer
    x = 3,637.94

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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.