Home / 3,519.75-4,857.26-1,947.95

Finding the Fourth Proportional to 3,519.75, 4,857.26 and 1,947.95

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Solution

The fourth proportional to 3,519.75, 4,857.26 and 1,947.95 is: 2,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.75 : 4,857.26 = 1,947.95 : x
  2. Step 2: Convert to fraction form
    3,519.75/4,857.26 = 1,947.95/x
  3. Step 3: Cross multiply
    3,519.75x = 4,857.26 × 1,947.95
  4. Step 4: Simplify right side
    3,519.75x = 9,461,665.59
  5. Step 5: Solve for x
    x = 9,461,665.59/3,519.75
  6. Step 6: Final answer
    x = 2,688.16

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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.