Home / 2,811.10-4,214.56-1,348.86

Finding the Fourth Proportional to 2,811.10, 4,214.56 and 1,348.86

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Solution

The fourth proportional to 2,811.10, 4,214.56 and 1,348.86 is: 2,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.10 : 4,214.56 = 1,348.86 : x
  2. Step 2: Convert to fraction form
    2,811.10/4,214.56 = 1,348.86/x
  3. Step 3: Cross multiply
    2,811.10x = 4,214.56 × 1,348.86
  4. Step 4: Simplify right side
    2,811.10x = 5,684,851.40
  5. Step 5: Solve for x
    x = 5,684,851.40/2,811.10
  6. Step 6: Final answer
    x = 2,022.29

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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.