Home / 3,734.05-5,150.75-2,389.95

Finding the Fourth Proportional to 3,734.05, 5,150.75 and 2,389.95

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Solution

The fourth proportional to 3,734.05, 5,150.75 and 2,389.95 is: 3,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.05 : 5,150.75 = 2,389.95 : x
  2. Step 2: Convert to fraction form
    3,734.05/5,150.75 = 2,389.95/x
  3. Step 3: Cross multiply
    3,734.05x = 5,150.75 × 2,389.95
  4. Step 4: Simplify right side
    3,734.05x = 12,310,034.96
  5. Step 5: Solve for x
    x = 12,310,034.96/3,734.05
  6. Step 6: Final answer
    x = 3,296.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.