Home / 2,529.06-3,488.86-1,689.97

Finding the Fourth Proportional to 2,529.06, 3,488.86 and 1,689.97

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Solution

The fourth proportional to 2,529.06, 3,488.86 and 1,689.97 is: 2,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.06 : 3,488.86 = 1,689.97 : x
  2. Step 2: Convert to fraction form
    2,529.06/3,488.86 = 1,689.97/x
  3. Step 3: Cross multiply
    2,529.06x = 3,488.86 × 1,689.97
  4. Step 4: Simplify right side
    2,529.06x = 5,896,074.09
  5. Step 5: Solve for x
    x = 5,896,074.09/2,529.06
  6. Step 6: Final answer
    x = 2,331.33

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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.