Home / 1,952.31-2,695.07-1,245.11

Finding the Fourth Proportional to 1,952.31, 2,695.07 and 1,245.11

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Solution

The fourth proportional to 1,952.31, 2,695.07 and 1,245.11 is: 1,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.31 : 2,695.07 = 1,245.11 : x
  2. Step 2: Convert to fraction form
    1,952.31/2,695.07 = 1,245.11/x
  3. Step 3: Cross multiply
    1,952.31x = 2,695.07 × 1,245.11
  4. Step 4: Simplify right side
    1,952.31x = 3,355,645.13
  5. Step 5: Solve for x
    x = 3,355,645.13/1,952.31
  6. Step 6: Final answer
    x = 1,718.81

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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.