Home / 3,565.82-4,921.36-1,994.22

Finding the Fourth Proportional to 3,565.82, 4,921.36 and 1,994.22

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Solution

The fourth proportional to 3,565.82, 4,921.36 and 1,994.22 is: 2,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.82 : 4,921.36 = 1,994.22 : x
  2. Step 2: Convert to fraction form
    3,565.82/4,921.36 = 1,994.22/x
  3. Step 3: Cross multiply
    3,565.82x = 4,921.36 × 1,994.22
  4. Step 4: Simplify right side
    3,565.82x = 9,814,269.55
  5. Step 5: Solve for x
    x = 9,814,269.55/3,565.82
  6. Step 6: Final answer
    x = 2,752.32

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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.