Home / 2,911.16-4,367.46-1,267.28

Finding the Fourth Proportional to 2,911.16, 4,367.46 and 1,267.28

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Solution

The fourth proportional to 2,911.16, 4,367.46 and 1,267.28 is: 1,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.16 : 4,367.46 = 1,267.28 : x
  2. Step 2: Convert to fraction form
    2,911.16/4,367.46 = 1,267.28/x
  3. Step 3: Cross multiply
    2,911.16x = 4,367.46 × 1,267.28
  4. Step 4: Simplify right side
    2,911.16x = 5,534,794.71
  5. Step 5: Solve for x
    x = 5,534,794.71/2,911.16
  6. Step 6: Final answer
    x = 1,901.23

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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.