Home / 3,561.92-5,365.36-3,291.28

Finding the Fourth Proportional to 3,561.92, 5,365.36 and 3,291.28

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Solution

The fourth proportional to 3,561.92, 5,365.36 and 3,291.28 is: 4,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.92 : 5,365.36 = 3,291.28 : x
  2. Step 2: Convert to fraction form
    3,561.92/5,365.36 = 3,291.28/x
  3. Step 3: Cross multiply
    3,561.92x = 5,365.36 × 3,291.28
  4. Step 4: Simplify right side
    3,561.92x = 17,658,880.42
  5. Step 5: Solve for x
    x = 17,658,880.42/3,561.92
  6. Step 6: Final answer
    x = 4,957.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.