Home / 2,385.97-3,289.19-1,675.64

Finding the Fourth Proportional to 2,385.97, 3,289.19 and 1,675.64

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Solution

The fourth proportional to 2,385.97, 3,289.19 and 1,675.64 is: 2,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.97 : 3,289.19 = 1,675.64 : x
  2. Step 2: Convert to fraction form
    2,385.97/3,289.19 = 1,675.64/x
  3. Step 3: Cross multiply
    2,385.97x = 3,289.19 × 1,675.64
  4. Step 4: Simplify right side
    2,385.97x = 5,511,498.18
  5. Step 5: Solve for x
    x = 5,511,498.18/2,385.97
  6. Step 6: Final answer
    x = 2,309.96

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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.