Home / 2,634.80-3,636.42-1,587.44

Finding the Fourth Proportional to 2,634.80, 3,636.42 and 1,587.44

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Solution

The fourth proportional to 2,634.80, 3,636.42 and 1,587.44 is: 2,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.80 : 3,636.42 = 1,587.44 : x
  2. Step 2: Convert to fraction form
    2,634.80/3,636.42 = 1,587.44/x
  3. Step 3: Cross multiply
    2,634.80x = 3,636.42 × 1,587.44
  4. Step 4: Simplify right side
    2,634.80x = 5,772,598.56
  5. Step 5: Solve for x
    x = 5,772,598.56/2,634.80
  6. Step 6: Final answer
    x = 2,190.91

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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.