Home / 3,235.50-4,854.06-1,385.70

Finding the Fourth Proportional to 3,235.50, 4,854.06 and 1,385.70

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Solution

The fourth proportional to 3,235.50, 4,854.06 and 1,385.70 is: 2,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.50 : 4,854.06 = 1,385.70 : x
  2. Step 2: Convert to fraction form
    3,235.50/4,854.06 = 1,385.70/x
  3. Step 3: Cross multiply
    3,235.50x = 4,854.06 × 1,385.70
  4. Step 4: Simplify right side
    3,235.50x = 6,726,270.94
  5. Step 5: Solve for x
    x = 6,726,270.94/3,235.50
  6. Step 6: Final answer
    x = 2,078.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.