Home / 3,994.45-5,512.35-2,316.18

Finding the Fourth Proportional to 3,994.45, 5,512.35 and 2,316.18

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Solution

The fourth proportional to 3,994.45, 5,512.35 and 2,316.18 is: 3,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.45 : 5,512.35 = 2,316.18 : x
  2. Step 2: Convert to fraction form
    3,994.45/5,512.35 = 2,316.18/x
  3. Step 3: Cross multiply
    3,994.45x = 5,512.35 × 2,316.18
  4. Step 4: Simplify right side
    3,994.45x = 12,767,594.82
  5. Step 5: Solve for x
    x = 12,767,594.82/3,994.45
  6. Step 6: Final answer
    x = 3,196.33

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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.