Home / 2,385.12-3,283.56-2,057.88

Finding the Fourth Proportional to 2,385.12, 3,283.56 and 2,057.88

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Solution

The fourth proportional to 2,385.12, 3,283.56 and 2,057.88 is: 2,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.12 : 3,283.56 = 2,057.88 : x
  2. Step 2: Convert to fraction form
    2,385.12/3,283.56 = 2,057.88/x
  3. Step 3: Cross multiply
    2,385.12x = 3,283.56 × 2,057.88
  4. Step 4: Simplify right side
    2,385.12x = 6,757,172.45
  5. Step 5: Solve for x
    x = 6,757,172.45/2,385.12
  6. Step 6: Final answer
    x = 2,833.05

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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.