Home / 2,269.40-3,400.37-1,401.92

Finding the Fourth Proportional to 2,269.40, 3,400.37 and 1,401.92

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Solution

The fourth proportional to 2,269.40, 3,400.37 and 1,401.92 is: 2,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.40 : 3,400.37 = 1,401.92 : x
  2. Step 2: Convert to fraction form
    2,269.40/3,400.37 = 1,401.92/x
  3. Step 3: Cross multiply
    2,269.40x = 3,400.37 × 1,401.92
  4. Step 4: Simplify right side
    2,269.40x = 4,767,046.71
  5. Step 5: Solve for x
    x = 4,767,046.71/2,269.40
  6. Step 6: Final answer
    x = 2,100.58

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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.