Home / 3,329.43-4,989.78-2,864.01

Finding the Fourth Proportional to 3,329.43, 4,989.78 and 2,864.01

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Solution

The fourth proportional to 3,329.43, 4,989.78 and 2,864.01 is: 4,292.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.43 : 4,989.78 = 2,864.01 : x
  2. Step 2: Convert to fraction form
    3,329.43/4,989.78 = 2,864.01/x
  3. Step 3: Cross multiply
    3,329.43x = 4,989.78 × 2,864.01
  4. Step 4: Simplify right side
    3,329.43x = 14,290,762.41
  5. Step 5: Solve for x
    x = 14,290,762.41/3,329.43
  6. Step 6: Final answer
    x = 4,292.26

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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.