Home / 2,369.10-3,269.34-1,321.17

Finding the Fourth Proportional to 2,369.10, 3,269.34 and 1,321.17

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Solution

The fourth proportional to 2,369.10, 3,269.34 and 1,321.17 is: 1,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.10 : 3,269.34 = 1,321.17 : x
  2. Step 2: Convert to fraction form
    2,369.10/3,269.34 = 1,321.17/x
  3. Step 3: Cross multiply
    2,369.10x = 3,269.34 × 1,321.17
  4. Step 4: Simplify right side
    2,369.10x = 4,319,353.93
  5. Step 5: Solve for x
    x = 4,319,353.93/2,369.10
  6. Step 6: Final answer
    x = 1,823.20

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1.5x scale

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.