Home / 3,161.57-4,362.08-2,042.55

Finding the Fourth Proportional to 3,161.57, 4,362.08 and 2,042.55

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Solution

The fourth proportional to 3,161.57, 4,362.08 and 2,042.55 is: 2,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.57 : 4,362.08 = 2,042.55 : x
  2. Step 2: Convert to fraction form
    3,161.57/4,362.08 = 2,042.55/x
  3. Step 3: Cross multiply
    3,161.57x = 4,362.08 × 2,042.55
  4. Step 4: Simplify right side
    3,161.57x = 8,909,756.29
  5. Step 5: Solve for x
    x = 8,909,756.29/3,161.57
  6. Step 6: Final answer
    x = 2,818.15

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1.5x scale

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.