Home / 2,369.13-3,269.68-1,425.40

Finding the Fourth Proportional to 2,369.13, 3,269.68 and 1,425.40

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Solution

The fourth proportional to 2,369.13, 3,269.68 and 1,425.40 is: 1,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.13 : 3,269.68 = 1,425.40 : x
  2. Step 2: Convert to fraction form
    2,369.13/3,269.68 = 1,425.40/x
  3. Step 3: Cross multiply
    2,369.13x = 3,269.68 × 1,425.40
  4. Step 4: Simplify right side
    2,369.13x = 4,660,578.40
  5. Step 5: Solve for x
    x = 4,660,578.40/2,369.13
  6. Step 6: Final answer
    x = 1,967.21

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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.