Home / 2,587.15-3,571.73-1,791.64

Finding the Fourth Proportional to 2,587.15, 3,571.73 and 1,791.64

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Solution

The fourth proportional to 2,587.15, 3,571.73 and 1,791.64 is: 2,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.15 : 3,571.73 = 1,791.64 : x
  2. Step 2: Convert to fraction form
    2,587.15/3,571.73 = 1,791.64/x
  3. Step 3: Cross multiply
    2,587.15x = 3,571.73 × 1,791.64
  4. Step 4: Simplify right side
    2,587.15x = 6,399,254.34
  5. Step 5: Solve for x
    x = 6,399,254.34/2,587.15
  6. Step 6: Final answer
    x = 2,473.48

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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.