Home / 2,930.97-4,395.03-1,082.95

Finding the Fourth Proportional to 2,930.97, 4,395.03 and 1,082.95

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Solution

The fourth proportional to 2,930.97, 4,395.03 and 1,082.95 is: 1,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.97 : 4,395.03 = 1,082.95 : x
  2. Step 2: Convert to fraction form
    2,930.97/4,395.03 = 1,082.95/x
  3. Step 3: Cross multiply
    2,930.97x = 4,395.03 × 1,082.95
  4. Step 4: Simplify right side
    2,930.97x = 4,759,597.74
  5. Step 5: Solve for x
    x = 4,759,597.74/2,930.97
  6. Step 6: Final answer
    x = 1,623.90

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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.