Home / 2,857.95-4,286.66-1,470.56

Finding the Fourth Proportional to 2,857.95, 4,286.66 and 1,470.56

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Solution

The fourth proportional to 2,857.95, 4,286.66 and 1,470.56 is: 2,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.95 : 4,286.66 = 1,470.56 : x
  2. Step 2: Convert to fraction form
    2,857.95/4,286.66 = 1,470.56/x
  3. Step 3: Cross multiply
    2,857.95x = 4,286.66 × 1,470.56
  4. Step 4: Simplify right side
    2,857.95x = 6,303,761.94
  5. Step 5: Solve for x
    x = 6,303,761.94/2,857.95
  6. Step 6: Final answer
    x = 2,205.69

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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.