Home / 1,955.18-2,932.72-494.32

Finding the Fourth Proportional to 1,955.18, 2,932.72 and 494.32

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Solution

The fourth proportional to 1,955.18, 2,932.72 and 494.32 is: 741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.18 : 2,932.72 = 494.32 : x
  2. Step 2: Convert to fraction form
    1,955.18/2,932.72 = 494.32/x
  3. Step 3: Cross multiply
    1,955.18x = 2,932.72 × 494.32
  4. Step 4: Simplify right side
    1,955.18x = 1,449,702.15
  5. Step 5: Solve for x
    x = 1,449,702.15/1,955.18
  6. Step 6: Final answer
    x = 741.47

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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.