Home / 2,956.60-4,432.50-1,107.44

Finding the Fourth Proportional to 2,956.60, 4,432.50 and 1,107.44

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Solution

The fourth proportional to 2,956.60, 4,432.50 and 1,107.44 is: 1,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.60 : 4,432.50 = 1,107.44 : x
  2. Step 2: Convert to fraction form
    2,956.60/4,432.50 = 1,107.44/x
  3. Step 3: Cross multiply
    2,956.60x = 4,432.50 × 1,107.44
  4. Step 4: Simplify right side
    2,956.60x = 4,908,727.80
  5. Step 5: Solve for x
    x = 4,908,727.80/2,956.60
  6. Step 6: Final answer
    x = 1,660.26

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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.