Home / 2,605.16-3,908.46-2,318.60

Finding the Fourth Proportional to 2,605.16, 3,908.46 and 2,318.60

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Solution

The fourth proportional to 2,605.16, 3,908.46 and 2,318.60 is: 3,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.16 : 3,908.46 = 2,318.60 : x
  2. Step 2: Convert to fraction form
    2,605.16/3,908.46 = 2,318.60/x
  3. Step 3: Cross multiply
    2,605.16x = 3,908.46 × 2,318.60
  4. Step 4: Simplify right side
    2,605.16x = 9,062,155.36
  5. Step 5: Solve for x
    x = 9,062,155.36/2,605.16
  6. Step 6: Final answer
    x = 3,478.54

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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.