Home / 3,387.95-4,675.46-1,896.12

Finding the Fourth Proportional to 3,387.95, 4,675.46 and 1,896.12

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Solution

The fourth proportional to 3,387.95, 4,675.46 and 1,896.12 is: 2,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.95 : 4,675.46 = 1,896.12 : x
  2. Step 2: Convert to fraction form
    3,387.95/4,675.46 = 1,896.12/x
  3. Step 3: Cross multiply
    3,387.95x = 4,675.46 × 1,896.12
  4. Step 4: Simplify right side
    3,387.95x = 8,865,223.73
  5. Step 5: Solve for x
    x = 8,865,223.73/3,387.95
  6. Step 6: Final answer
    x = 2,616.70

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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.