Home / 2,922.60-4,386.14-1,996.20

Finding the Fourth Proportional to 2,922.60, 4,386.14 and 1,996.20

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Solution

The fourth proportional to 2,922.60, 4,386.14 and 1,996.20 is: 2,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.60 : 4,386.14 = 1,996.20 : x
  2. Step 2: Convert to fraction form
    2,922.60/4,386.14 = 1,996.20/x
  3. Step 3: Cross multiply
    2,922.60x = 4,386.14 × 1,996.20
  4. Step 4: Simplify right side
    2,922.60x = 8,755,612.67
  5. Step 5: Solve for x
    x = 8,755,612.67/2,922.60
  6. Step 6: Final answer
    x = 2,995.83

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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.