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Finding the Fourth Proportional to 2,891.95, 4,338.05 and 2,408.41

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Solution

The fourth proportional to 2,891.95, 4,338.05 and 2,408.41 is: 3,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.95 : 4,338.05 = 2,408.41 : x
  2. Step 2: Convert to fraction form
    2,891.95/4,338.05 = 2,408.41/x
  3. Step 3: Cross multiply
    2,891.95x = 4,338.05 × 2,408.41
  4. Step 4: Simplify right side
    2,891.95x = 10,447,803.00
  5. Step 5: Solve for x
    x = 10,447,803.00/2,891.95
  6. Step 6: Final answer
    x = 3,612.72

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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.