Home / 1,955.12-2,932.47-494.18

Finding the Fourth Proportional to 1,955.12, 2,932.47 and 494.18

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Solution

The fourth proportional to 1,955.12, 2,932.47 and 494.18 is: 741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.12 : 2,932.47 = 494.18 : x
  2. Step 2: Convert to fraction form
    1,955.12/2,932.47 = 494.18/x
  3. Step 3: Cross multiply
    1,955.12x = 2,932.47 × 494.18
  4. Step 4: Simplify right side
    1,955.12x = 1,449,168.02
  5. Step 5: Solve for x
    x = 1,449,168.02/1,955.12
  6. Step 6: Final answer
    x = 741.22

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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.