Home / 2,242.66-3,094.78-1,247.91

Finding the Fourth Proportional to 2,242.66, 3,094.78 and 1,247.91

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Solution

The fourth proportional to 2,242.66, 3,094.78 and 1,247.91 is: 1,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.66 : 3,094.78 = 1,247.91 : x
  2. Step 2: Convert to fraction form
    2,242.66/3,094.78 = 1,247.91/x
  3. Step 3: Cross multiply
    2,242.66x = 3,094.78 × 1,247.91
  4. Step 4: Simplify right side
    2,242.66x = 3,862,006.91
  5. Step 5: Solve for x
    x = 3,862,006.91/2,242.66
  6. Step 6: Final answer
    x = 1,722.07

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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.