Home / 2,996.60-4,500.30-2,175.80

Finding the Fourth Proportional to 2,996.60, 4,500.30 and 2,175.80

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Solution

The fourth proportional to 2,996.60, 4,500.30 and 2,175.80 is: 3,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.60 : 4,500.30 = 2,175.80 : x
  2. Step 2: Convert to fraction form
    2,996.60/4,500.30 = 2,175.80/x
  3. Step 3: Cross multiply
    2,996.60x = 4,500.30 × 2,175.80
  4. Step 4: Simplify right side
    2,996.60x = 9,791,752.74
  5. Step 5: Solve for x
    x = 9,791,752.74/2,996.60
  6. Step 6: Final answer
    x = 3,267.62

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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.