Home / 2,954.72-4,432.20-1,310.96

Finding the Fourth Proportional to 2,954.72, 4,432.20 and 1,310.96

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Solution

The fourth proportional to 2,954.72, 4,432.20 and 1,310.96 is: 1,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.72 : 4,432.20 = 1,310.96 : x
  2. Step 2: Convert to fraction form
    2,954.72/4,432.20 = 1,310.96/x
  3. Step 3: Cross multiply
    2,954.72x = 4,432.20 × 1,310.96
  4. Step 4: Simplify right side
    2,954.72x = 5,810,436.91
  5. Step 5: Solve for x
    x = 5,810,436.91/2,954.72
  6. Step 6: Final answer
    x = 1,966.49

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1.5x scale

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.