Home / 3,281.66-4,925.73-2,112.02

Finding the Fourth Proportional to 3,281.66, 4,925.73 and 2,112.02

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Solution

The fourth proportional to 3,281.66, 4,925.73 and 2,112.02 is: 3,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.66 : 4,925.73 = 2,112.02 : x
  2. Step 2: Convert to fraction form
    3,281.66/4,925.73 = 2,112.02/x
  3. Step 3: Cross multiply
    3,281.66x = 4,925.73 × 2,112.02
  4. Step 4: Simplify right side
    3,281.66x = 10,403,240.27
  5. Step 5: Solve for x
    x = 10,403,240.27/3,281.66
  6. Step 6: Final answer
    x = 3,170.12

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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.