Home / 2,954.15-4,432.77-1,311.87

Finding the Fourth Proportional to 2,954.15, 4,432.77 and 1,311.87

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Solution

The fourth proportional to 2,954.15, 4,432.77 and 1,311.87 is: 1,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.15 : 4,432.77 = 1,311.87 : x
  2. Step 2: Convert to fraction form
    2,954.15/4,432.77 = 1,311.87/x
  3. Step 3: Cross multiply
    2,954.15x = 4,432.77 × 1,311.87
  4. Step 4: Simplify right side
    2,954.15x = 5,815,217.98
  5. Step 5: Solve for x
    x = 5,815,217.98/2,954.15
  6. Step 6: Final answer
    x = 1,968.49

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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.