Home / 2,884.30-3,981.12-2,045.14

Finding the Fourth Proportional to 2,884.30, 3,981.12 and 2,045.14

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Solution

The fourth proportional to 2,884.30, 3,981.12 and 2,045.14 is: 2,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.30 : 3,981.12 = 2,045.14 : x
  2. Step 2: Convert to fraction form
    2,884.30/3,981.12 = 2,045.14/x
  3. Step 3: Cross multiply
    2,884.30x = 3,981.12 × 2,045.14
  4. Step 4: Simplify right side
    2,884.30x = 8,141,930.13
  5. Step 5: Solve for x
    x = 8,141,930.13/2,884.30
  6. Step 6: Final answer
    x = 2,822.85

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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.