Home / 3,310.97-4,569.58-2,135.46

Finding the Fourth Proportional to 3,310.97, 4,569.58 and 2,135.46

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Solution

The fourth proportional to 3,310.97, 4,569.58 and 2,135.46 is: 2,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.97 : 4,569.58 = 2,135.46 : x
  2. Step 2: Convert to fraction form
    3,310.97/4,569.58 = 2,135.46/x
  3. Step 3: Cross multiply
    3,310.97x = 4,569.58 × 2,135.46
  4. Step 4: Simplify right side
    3,310.97x = 9,758,155.31
  5. Step 5: Solve for x
    x = 9,758,155.31/3,310.97
  6. Step 6: Final answer
    x = 2,947.22

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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.