Home / 3,959.34-5,942.66-3,721.20

Finding the Fourth Proportional to 3,959.34, 5,942.66 and 3,721.20

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Solution

The fourth proportional to 3,959.34, 5,942.66 and 3,721.20 is: 5,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.34 : 5,942.66 = 3,721.20 : x
  2. Step 2: Convert to fraction form
    3,959.34/5,942.66 = 3,721.20/x
  3. Step 3: Cross multiply
    3,959.34x = 5,942.66 × 3,721.20
  4. Step 4: Simplify right side
    3,959.34x = 22,113,807.79
  5. Step 5: Solve for x
    x = 22,113,807.79/3,959.34
  6. Step 6: Final answer
    x = 5,585.23

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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.