Home / 3,425.95-5,138.79-2,382.94

Finding the Fourth Proportional to 3,425.95, 5,138.79 and 2,382.94

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Solution

The fourth proportional to 3,425.95, 5,138.79 and 2,382.94 is: 3,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.95 : 5,138.79 = 2,382.94 : x
  2. Step 2: Convert to fraction form
    3,425.95/5,138.79 = 2,382.94/x
  3. Step 3: Cross multiply
    3,425.95x = 5,138.79 × 2,382.94
  4. Step 4: Simplify right side
    3,425.95x = 12,245,428.24
  5. Step 5: Solve for x
    x = 12,245,428.24/3,425.95
  6. Step 6: Final answer
    x = 3,574.32

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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.