Home / 2,042.91-2,815.95-1,611.02

Finding the Fourth Proportional to 2,042.91, 2,815.95 and 1,611.02

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Solution

The fourth proportional to 2,042.91, 2,815.95 and 1,611.02 is: 2,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.91 : 2,815.95 = 1,611.02 : x
  2. Step 2: Convert to fraction form
    2,042.91/2,815.95 = 1,611.02/x
  3. Step 3: Cross multiply
    2,042.91x = 2,815.95 × 1,611.02
  4. Step 4: Simplify right side
    2,042.91x = 4,536,551.77
  5. Step 5: Solve for x
    x = 4,536,551.77/2,042.91
  6. Step 6: Final answer
    x = 2,220.63

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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.