Home / 3,161.07-4,731.28-2,857.93

Finding the Fourth Proportional to 3,161.07, 4,731.28 and 2,857.93

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Solution

The fourth proportional to 3,161.07, 4,731.28 and 2,857.93 is: 4,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.07 : 4,731.28 = 2,857.93 : x
  2. Step 2: Convert to fraction form
    3,161.07/4,731.28 = 2,857.93/x
  3. Step 3: Cross multiply
    3,161.07x = 4,731.28 × 2,857.93
  4. Step 4: Simplify right side
    3,161.07x = 13,521,648.08
  5. Step 5: Solve for x
    x = 13,521,648.08/3,161.07
  6. Step 6: Final answer
    x = 4,277.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.