Home / 3,318.56-4,578.08-2,140.01

Finding the Fourth Proportional to 3,318.56, 4,578.08 and 2,140.01

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Solution

The fourth proportional to 3,318.56, 4,578.08 and 2,140.01 is: 2,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.56 : 4,578.08 = 2,140.01 : x
  2. Step 2: Convert to fraction form
    3,318.56/4,578.08 = 2,140.01/x
  3. Step 3: Cross multiply
    3,318.56x = 4,578.08 × 2,140.01
  4. Step 4: Simplify right side
    3,318.56x = 9,797,103.39
  5. Step 5: Solve for x
    x = 9,797,103.39/3,318.56
  6. Step 6: Final answer
    x = 2,952.22

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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.