Home / 3,395.97-5,091.51-1,314.18

Finding the Fourth Proportional to 3,395.97, 5,091.51 and 1,314.18

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Solution

The fourth proportional to 3,395.97, 5,091.51 and 1,314.18 is: 1,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.97 : 5,091.51 = 1,314.18 : x
  2. Step 2: Convert to fraction form
    3,395.97/5,091.51 = 1,314.18/x
  3. Step 3: Cross multiply
    3,395.97x = 5,091.51 × 1,314.18
  4. Step 4: Simplify right side
    3,395.97x = 6,691,160.61
  5. Step 5: Solve for x
    x = 6,691,160.61/3,395.97
  6. Step 6: Final answer
    x = 1,970.32

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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.