Home / 1,956.32-2,934.47-495.47

Finding the Fourth Proportional to 1,956.32, 2,934.47 and 495.47

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Solution

The fourth proportional to 1,956.32, 2,934.47 and 495.47 is: 743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.32 : 2,934.47 = 495.47 : x
  2. Step 2: Convert to fraction form
    1,956.32/2,934.47 = 495.47/x
  3. Step 3: Cross multiply
    1,956.32x = 2,934.47 × 495.47
  4. Step 4: Simplify right side
    1,956.32x = 1,453,928.42
  5. Step 5: Solve for x
    x = 1,453,928.42/1,956.32
  6. Step 6: Final answer
    x = 743.20

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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.