Home / 3,989.04-5,976.96-2,038.56

Finding the Fourth Proportional to 3,989.04, 5,976.96 and 2,038.56

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Solution

The fourth proportional to 3,989.04, 5,976.96 and 2,038.56 is: 3,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.04 : 5,976.96 = 2,038.56 : x
  2. Step 2: Convert to fraction form
    3,989.04/5,976.96 = 2,038.56/x
  3. Step 3: Cross multiply
    3,989.04x = 5,976.96 × 2,038.56
  4. Step 4: Simplify right side
    3,989.04x = 12,184,391.58
  5. Step 5: Solve for x
    x = 12,184,391.58/3,989.04
  6. Step 6: Final answer
    x = 3,054.47

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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.