Home / 3,699.25-5,104.74-2,020.32

Finding the Fourth Proportional to 3,699.25, 5,104.74 and 2,020.32

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Solution

The fourth proportional to 3,699.25, 5,104.74 and 2,020.32 is: 2,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.25 : 5,104.74 = 2,020.32 : x
  2. Step 2: Convert to fraction form
    3,699.25/5,104.74 = 2,020.32/x
  3. Step 3: Cross multiply
    3,699.25x = 5,104.74 × 2,020.32
  4. Step 4: Simplify right side
    3,699.25x = 10,313,208.32
  5. Step 5: Solve for x
    x = 10,313,208.32/3,699.25
  6. Step 6: Final answer
    x = 2,787.92

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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.