Home / 2,996.60-4,135.80-1,670.73

Finding the Fourth Proportional to 2,996.60, 4,135.80 and 1,670.73

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Solution

The fourth proportional to 2,996.60, 4,135.80 and 1,670.73 is: 2,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.60 : 4,135.80 = 1,670.73 : x
  2. Step 2: Convert to fraction form
    2,996.60/4,135.80 = 1,670.73/x
  3. Step 3: Cross multiply
    2,996.60x = 4,135.80 × 1,670.73
  4. Step 4: Simplify right side
    2,996.60x = 6,909,805.13
  5. Step 5: Solve for x
    x = 6,909,805.13/2,996.60
  6. Step 6: Final answer
    x = 2,305.88

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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.