Home / 3,115.02-4,296.30-1,996.07

Finding the Fourth Proportional to 3,115.02, 4,296.30 and 1,996.07

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Solution

The fourth proportional to 3,115.02, 4,296.30 and 1,996.07 is: 2,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.02 : 4,296.30 = 1,996.07 : x
  2. Step 2: Convert to fraction form
    3,115.02/4,296.30 = 1,996.07/x
  3. Step 3: Cross multiply
    3,115.02x = 4,296.30 × 1,996.07
  4. Step 4: Simplify right side
    3,115.02x = 8,575,694.06
  5. Step 5: Solve for x
    x = 8,575,694.06/3,115.02
  6. Step 6: Final answer
    x = 2,753.01

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Half scale
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Double scale
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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.