Home / 2,551.92-3,520.86-1,608.66

Finding the Fourth Proportional to 2,551.92, 3,520.86 and 1,608.66

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Solution

The fourth proportional to 2,551.92, 3,520.86 and 1,608.66 is: 2,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.92 : 3,520.86 = 1,608.66 : x
  2. Step 2: Convert to fraction form
    2,551.92/3,520.86 = 1,608.66/x
  3. Step 3: Cross multiply
    2,551.92x = 3,520.86 × 1,608.66
  4. Step 4: Simplify right side
    2,551.92x = 5,663,866.65
  5. Step 5: Solve for x
    x = 5,663,866.65/2,551.92
  6. Step 6: Final answer
    x = 2,219.45

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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.