Home / 2,997.20-4,495.80-1,123.06

Finding the Fourth Proportional to 2,997.20, 4,495.80 and 1,123.06

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Solution

The fourth proportional to 2,997.20, 4,495.80 and 1,123.06 is: 1,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.20 : 4,495.80 = 1,123.06 : x
  2. Step 2: Convert to fraction form
    2,997.20/4,495.80 = 1,123.06/x
  3. Step 3: Cross multiply
    2,997.20x = 4,495.80 × 1,123.06
  4. Step 4: Simplify right side
    2,997.20x = 5,049,053.15
  5. Step 5: Solve for x
    x = 5,049,053.15/2,997.20
  6. Step 6: Final answer
    x = 1,684.59

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Double scale
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Similar ratio
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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.