Home / 2,369.06-3,269.31-1,321.10

Finding the Fourth Proportional to 2,369.06, 3,269.31 and 1,321.10

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Solution

The fourth proportional to 2,369.06, 3,269.31 and 1,321.10 is: 1,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.06 : 3,269.31 = 1,321.10 : x
  2. Step 2: Convert to fraction form
    2,369.06/3,269.31 = 1,321.10/x
  3. Step 3: Cross multiply
    2,369.06x = 3,269.31 × 1,321.10
  4. Step 4: Simplify right side
    2,369.06x = 4,319,088.66
  5. Step 5: Solve for x
    x = 4,319,088.66/2,369.06
  6. Step 6: Final answer
    x = 1,823.12

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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.