Home / 2,856.97-4,287.01-1,296.87

Finding the Fourth Proportional to 2,856.97, 4,287.01 and 1,296.87

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Solution

The fourth proportional to 2,856.97, 4,287.01 and 1,296.87 is: 1,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.97 : 4,287.01 = 1,296.87 : x
  2. Step 2: Convert to fraction form
    2,856.97/4,287.01 = 1,296.87/x
  3. Step 3: Cross multiply
    2,856.97x = 4,287.01 × 1,296.87
  4. Step 4: Simplify right side
    2,856.97x = 5,559,694.66
  5. Step 5: Solve for x
    x = 5,559,694.66/2,856.97
  6. Step 6: Final answer
    x = 1,946.01

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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.