Home / 2,940.45-4,431.81-2,534.49

Finding the Fourth Proportional to 2,940.45, 4,431.81 and 2,534.49

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Solution

The fourth proportional to 2,940.45, 4,431.81 and 2,534.49 is: 3,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.45 : 4,431.81 = 2,534.49 : x
  2. Step 2: Convert to fraction form
    2,940.45/4,431.81 = 2,534.49/x
  3. Step 3: Cross multiply
    2,940.45x = 4,431.81 × 2,534.49
  4. Step 4: Simplify right side
    2,940.45x = 11,232,387.63
  5. Step 5: Solve for x
    x = 11,232,387.63/2,940.45
  6. Step 6: Final answer
    x = 3,819.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.