Home / 2,209.97-3,313.73-1,038.60

Finding the Fourth Proportional to 2,209.97, 3,313.73 and 1,038.60

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Solution

The fourth proportional to 2,209.97, 3,313.73 and 1,038.60 is: 1,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.97 : 3,313.73 = 1,038.60 : x
  2. Step 2: Convert to fraction form
    2,209.97/3,313.73 = 1,038.60/x
  3. Step 3: Cross multiply
    2,209.97x = 3,313.73 × 1,038.60
  4. Step 4: Simplify right side
    2,209.97x = 3,441,634.79
  5. Step 5: Solve for x
    x = 3,441,634.79/2,209.97
  6. Step 6: Final answer
    x = 1,557.33

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1.5x scale

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.