Home / 2,581.91-3,563.09-1,533.97

Finding the Fourth Proportional to 2,581.91, 3,563.09 and 1,533.97

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Solution

The fourth proportional to 2,581.91, 3,563.09 and 1,533.97 is: 2,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.91 : 3,563.09 = 1,533.97 : x
  2. Step 2: Convert to fraction form
    2,581.91/3,563.09 = 1,533.97/x
  3. Step 3: Cross multiply
    2,581.91x = 3,563.09 × 1,533.97
  4. Step 4: Simplify right side
    2,581.91x = 5,465,675.70
  5. Step 5: Solve for x
    x = 5,465,675.70/2,581.91
  6. Step 6: Final answer
    x = 2,116.91

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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.