Home / 2,886.73-3,983.68-1,560.43

Finding the Fourth Proportional to 2,886.73, 3,983.68 and 1,560.43

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Solution

The fourth proportional to 2,886.73, 3,983.68 and 1,560.43 is: 2,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.73 : 3,983.68 = 1,560.43 : x
  2. Step 2: Convert to fraction form
    2,886.73/3,983.68 = 1,560.43/x
  3. Step 3: Cross multiply
    2,886.73x = 3,983.68 × 1,560.43
  4. Step 4: Simplify right side
    2,886.73x = 6,216,253.78
  5. Step 5: Solve for x
    x = 6,216,253.78/2,886.73
  6. Step 6: Final answer
    x = 2,153.39

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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.