Home / 3,235.05-4,853.77-1,387.61

Finding the Fourth Proportional to 3,235.05, 4,853.77 and 1,387.61

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Solution

The fourth proportional to 3,235.05, 4,853.77 and 1,387.61 is: 2,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.05 : 4,853.77 = 1,387.61 : x
  2. Step 2: Convert to fraction form
    3,235.05/4,853.77 = 1,387.61/x
  3. Step 3: Cross multiply
    3,235.05x = 4,853.77 × 1,387.61
  4. Step 4: Simplify right side
    3,235.05x = 6,735,112.05
  5. Step 5: Solve for x
    x = 6,735,112.05/3,235.05
  6. Step 6: Final answer
    x = 2,081.92

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1.5x scale

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.