Home / 2,707.18-4,059.25-857.95

Finding the Fourth Proportional to 2,707.18, 4,059.25 and 857.95

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Solution

The fourth proportional to 2,707.18, 4,059.25 and 857.95 is: 1,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.18 : 4,059.25 = 857.95 : x
  2. Step 2: Convert to fraction form
    2,707.18/4,059.25 = 857.95/x
  3. Step 3: Cross multiply
    2,707.18x = 4,059.25 × 857.95
  4. Step 4: Simplify right side
    2,707.18x = 3,482,621.24
  5. Step 5: Solve for x
    x = 3,482,621.24/2,707.18
  6. Step 6: Final answer
    x = 1,286.44

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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.