Home / 2,247.10-3,101.81-1,618.00

Finding the Fourth Proportional to 2,247.10, 3,101.81 and 1,618.00

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Solution

The fourth proportional to 2,247.10, 3,101.81 and 1,618.00 is: 2,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.10 : 3,101.81 = 1,618.00 : x
  2. Step 2: Convert to fraction form
    2,247.10/3,101.81 = 1,618.00/x
  3. Step 3: Cross multiply
    2,247.10x = 3,101.81 × 1,618.00
  4. Step 4: Simplify right side
    2,247.10x = 5,018,712.74
  5. Step 5: Solve for x
    x = 5,018,712.74/2,247.10
  6. Step 6: Final answer
    x = 2,233.42

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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.