Home / 2,345.66-3,507.99-2,087.18

Finding the Fourth Proportional to 2,345.66, 3,507.99 and 2,087.18

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Solution

The fourth proportional to 2,345.66, 3,507.99 and 2,087.18 is: 3,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.66 : 3,507.99 = 2,087.18 : x
  2. Step 2: Convert to fraction form
    2,345.66/3,507.99 = 2,087.18/x
  3. Step 3: Cross multiply
    2,345.66x = 3,507.99 × 2,087.18
  4. Step 4: Simplify right side
    2,345.66x = 7,321,806.57
  5. Step 5: Solve for x
    x = 7,321,806.57/2,345.66
  6. Step 6: Final answer
    x = 3,121.43

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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.