Home / 3,521.97-4,860.75-2,009.90

Finding the Fourth Proportional to 3,521.97, 4,860.75 and 2,009.90

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Solution

The fourth proportional to 3,521.97, 4,860.75 and 2,009.90 is: 2,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.97 : 4,860.75 = 2,009.90 : x
  2. Step 2: Convert to fraction form
    3,521.97/4,860.75 = 2,009.90/x
  3. Step 3: Cross multiply
    3,521.97x = 4,860.75 × 2,009.90
  4. Step 4: Simplify right side
    3,521.97x = 9,769,597.12
  5. Step 5: Solve for x
    x = 9,769,597.12/3,521.97
  6. Step 6: Final answer
    x = 2,773.90

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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.