Home / 2,267.16-3,401.28-806.40

Finding the Fourth Proportional to 2,267.16, 3,401.28 and 806.40

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Solution

The fourth proportional to 2,267.16, 3,401.28 and 806.40 is: 1,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.16 : 3,401.28 = 806.40 : x
  2. Step 2: Convert to fraction form
    2,267.16/3,401.28 = 806.40/x
  3. Step 3: Cross multiply
    2,267.16x = 3,401.28 × 806.40
  4. Step 4: Simplify right side
    2,267.16x = 2,742,792.19
  5. Step 5: Solve for x
    x = 2,742,792.19/2,267.16
  6. Step 6: Final answer
    x = 1,209.79

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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.