Home / 3,359.21-5,032.78-3,161.55

Finding the Fourth Proportional to 3,359.21, 5,032.78 and 3,161.55

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Solution

The fourth proportional to 3,359.21, 5,032.78 and 3,161.55 is: 4,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.21 : 5,032.78 = 3,161.55 : x
  2. Step 2: Convert to fraction form
    3,359.21/5,032.78 = 3,161.55/x
  3. Step 3: Cross multiply
    3,359.21x = 5,032.78 × 3,161.55
  4. Step 4: Simplify right side
    3,359.21x = 15,911,377.71
  5. Step 5: Solve for x
    x = 15,911,377.71/3,359.21
  6. Step 6: Final answer
    x = 4,736.64

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1.5x scale

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.