Home / 2,619.73-3,610.87-2,247.13

Finding the Fourth Proportional to 2,619.73, 3,610.87 and 2,247.13

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Solution

The fourth proportional to 2,619.73, 3,610.87 and 2,247.13 is: 3,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.73 : 3,610.87 = 2,247.13 : x
  2. Step 2: Convert to fraction form
    2,619.73/3,610.87 = 2,247.13/x
  3. Step 3: Cross multiply
    2,619.73x = 3,610.87 × 2,247.13
  4. Step 4: Simplify right side
    2,619.73x = 8,114,094.30
  5. Step 5: Solve for x
    x = 8,114,094.30/2,619.73
  6. Step 6: Final answer
    x = 3,097.30

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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.