Home / 3,155.61-4,727.26-2,321.16

Finding the Fourth Proportional to 3,155.61, 4,727.26 and 2,321.16

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Solution

The fourth proportional to 3,155.61, 4,727.26 and 2,321.16 is: 3,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.61 : 4,727.26 = 2,321.16 : x
  2. Step 2: Convert to fraction form
    3,155.61/4,727.26 = 2,321.16/x
  3. Step 3: Cross multiply
    3,155.61x = 4,727.26 × 2,321.16
  4. Step 4: Simplify right side
    3,155.61x = 10,972,712.00
  5. Step 5: Solve for x
    x = 10,972,712.00/3,155.61
  6. Step 6: Final answer
    x = 3,477.21

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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.