Home / 1,901.31-2,863.16-1,660.74

Finding the Fourth Proportional to 1,901.31, 2,863.16 and 1,660.74

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Solution

The fourth proportional to 1,901.31, 2,863.16 and 1,660.74 is: 2,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.31 : 2,863.16 = 1,660.74 : x
  2. Step 2: Convert to fraction form
    1,901.31/2,863.16 = 1,660.74/x
  3. Step 3: Cross multiply
    1,901.31x = 2,863.16 × 1,660.74
  4. Step 4: Simplify right side
    1,901.31x = 4,754,956.03
  5. Step 5: Solve for x
    x = 4,754,956.03/1,901.31
  6. Step 6: Final answer
    x = 2,500.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.