Home / 3,235.19-4,855.14-1,287.95

Finding the Fourth Proportional to 3,235.19, 4,855.14 and 1,287.95

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Solution

The fourth proportional to 3,235.19, 4,855.14 and 1,287.95 is: 1,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.19 : 4,855.14 = 1,287.95 : x
  2. Step 2: Convert to fraction form
    3,235.19/4,855.14 = 1,287.95/x
  3. Step 3: Cross multiply
    3,235.19x = 4,855.14 × 1,287.95
  4. Step 4: Simplify right side
    3,235.19x = 6,253,153.29
  5. Step 5: Solve for x
    x = 6,253,153.29/3,235.19
  6. Step 6: Final answer
    x = 1,932.86

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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.