Home / 3,275.53-4,518.90-2,016.21

Finding the Fourth Proportional to 3,275.53, 4,518.90 and 2,016.21

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Solution

The fourth proportional to 3,275.53, 4,518.90 and 2,016.21 is: 2,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.53 : 4,518.90 = 2,016.21 : x
  2. Step 2: Convert to fraction form
    3,275.53/4,518.90 = 2,016.21/x
  3. Step 3: Cross multiply
    3,275.53x = 4,518.90 × 2,016.21
  4. Step 4: Simplify right side
    3,275.53x = 9,111,051.37
  5. Step 5: Solve for x
    x = 9,111,051.37/3,275.53
  6. Step 6: Final answer
    x = 2,781.55

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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.