Home / 2,247.69-3,371.84-2,111.00

Finding the Fourth Proportional to 2,247.69, 3,371.84 and 2,111.00

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Solution

The fourth proportional to 2,247.69, 3,371.84 and 2,111.00 is: 3,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.69 : 3,371.84 = 2,111.00 : x
  2. Step 2: Convert to fraction form
    2,247.69/3,371.84 = 2,111.00/x
  3. Step 3: Cross multiply
    2,247.69x = 3,371.84 × 2,111.00
  4. Step 4: Simplify right side
    2,247.69x = 7,117,967.95
  5. Step 5: Solve for x
    x = 7,117,967.95/2,247.69
  6. Step 6: Final answer
    x = 3,166.79

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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.