Home / 3,105.09-4,281.53-2,264.31

Finding the Fourth Proportional to 3,105.09, 4,281.53 and 2,264.31

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Solution

The fourth proportional to 3,105.09, 4,281.53 and 2,264.31 is: 3,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.09 : 4,281.53 = 2,264.31 : x
  2. Step 2: Convert to fraction form
    3,105.09/4,281.53 = 2,264.31/x
  3. Step 3: Cross multiply
    3,105.09x = 4,281.53 × 2,264.31
  4. Step 4: Simplify right side
    3,105.09x = 9,694,699.87
  5. Step 5: Solve for x
    x = 9,694,699.87/3,105.09
  6. Step 6: Final answer
    x = 3,122.20

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1.5x scale

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.