Home / 3,314.06-4,972.90-1,998.20

Finding the Fourth Proportional to 3,314.06, 4,972.90 and 1,998.20

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Solution

The fourth proportional to 3,314.06, 4,972.90 and 1,998.20 is: 2,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.06 : 4,972.90 = 1,998.20 : x
  2. Step 2: Convert to fraction form
    3,314.06/4,972.90 = 1,998.20/x
  3. Step 3: Cross multiply
    3,314.06x = 4,972.90 × 1,998.20
  4. Step 4: Simplify right side
    3,314.06x = 9,936,848.78
  5. Step 5: Solve for x
    x = 9,936,848.78/3,314.06
  6. Step 6: Final answer
    x = 2,998.39

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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.