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Finding the Fourth Proportional to 2,885.80, 3,983.39 and 1,795.24

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Solution

The fourth proportional to 2,885.80, 3,983.39 and 1,795.24 is: 2,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.80 : 3,983.39 = 1,795.24 : x
  2. Step 2: Convert to fraction form
    2,885.80/3,983.39 = 1,795.24/x
  3. Step 3: Cross multiply
    2,885.80x = 3,983.39 × 1,795.24
  4. Step 4: Simplify right side
    2,885.80x = 7,151,141.06
  5. Step 5: Solve for x
    x = 7,151,141.06/2,885.80
  6. Step 6: Final answer
    x = 2,478.04

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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.