Home / 3,519.73-4,857.38-1,947.82

Finding the Fourth Proportional to 3,519.73, 4,857.38 and 1,947.82

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Solution

The fourth proportional to 3,519.73, 4,857.38 and 1,947.82 is: 2,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.73 : 4,857.38 = 1,947.82 : x
  2. Step 2: Convert to fraction form
    3,519.73/4,857.38 = 1,947.82/x
  3. Step 3: Cross multiply
    3,519.73x = 4,857.38 × 1,947.82
  4. Step 4: Simplify right side
    3,519.73x = 9,461,298.24
  5. Step 5: Solve for x
    x = 9,461,298.24/3,519.73
  6. Step 6: Final answer
    x = 2,688.08

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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.