Home / 3,186.89-4,763.24-2,873.82

Finding the Fourth Proportional to 3,186.89, 4,763.24 and 2,873.82

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Solution

The fourth proportional to 3,186.89, 4,763.24 and 2,873.82 is: 4,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.89 : 4,763.24 = 2,873.82 : x
  2. Step 2: Convert to fraction form
    3,186.89/4,763.24 = 2,873.82/x
  3. Step 3: Cross multiply
    3,186.89x = 4,763.24 × 2,873.82
  4. Step 4: Simplify right side
    3,186.89x = 13,688,701.56
  5. Step 5: Solve for x
    x = 13,688,701.56/3,186.89
  6. Step 6: Final answer
    x = 4,295.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.