Home / 3,516.48-4,847.04-3,122.88

Finding the Fourth Proportional to 3,516.48, 4,847.04 and 3,122.88

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Solution

The fourth proportional to 3,516.48, 4,847.04 and 3,122.88 is: 4,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.48 : 4,847.04 = 3,122.88 : x
  2. Step 2: Convert to fraction form
    3,516.48/4,847.04 = 3,122.88/x
  3. Step 3: Cross multiply
    3,516.48x = 4,847.04 × 3,122.88
  4. Step 4: Simplify right side
    3,516.48x = 15,136,724.28
  5. Step 5: Solve for x
    x = 15,136,724.28/3,516.48
  6. Step 6: Final answer
    x = 4,304.51

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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.