Home / 2,385.06-3,289.65-2,348.61

Finding the Fourth Proportional to 2,385.06, 3,289.65 and 2,348.61

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Solution

The fourth proportional to 2,385.06, 3,289.65 and 2,348.61 is: 3,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.06 : 3,289.65 = 2,348.61 : x
  2. Step 2: Convert to fraction form
    2,385.06/3,289.65 = 2,348.61/x
  3. Step 3: Cross multiply
    2,385.06x = 3,289.65 × 2,348.61
  4. Step 4: Simplify right side
    2,385.06x = 7,726,104.89
  5. Step 5: Solve for x
    x = 7,726,104.89/2,385.06
  6. Step 6: Final answer
    x = 3,239.38

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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.