Home / 4,289.28-5,924.64-3,171.84

Finding the Fourth Proportional to 4,289.28, 5,924.64 and 3,171.84

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Solution

The fourth proportional to 4,289.28, 5,924.64 and 3,171.84 is: 4,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.28 : 5,924.64 = 3,171.84 : x
  2. Step 2: Convert to fraction form
    4,289.28/5,924.64 = 3,171.84/x
  3. Step 3: Cross multiply
    4,289.28x = 5,924.64 × 3,171.84
  4. Step 4: Simplify right side
    4,289.28x = 18,792,010.14
  5. Step 5: Solve for x
    x = 18,792,010.14/4,289.28
  6. Step 6: Final answer
    x = 4,381.16

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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.