Home / 3,375.54-4,656.96-2,116.05

Finding the Fourth Proportional to 3,375.54, 4,656.96 and 2,116.05

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Solution

The fourth proportional to 3,375.54, 4,656.96 and 2,116.05 is: 2,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.54 : 4,656.96 = 2,116.05 : x
  2. Step 2: Convert to fraction form
    3,375.54/4,656.96 = 2,116.05/x
  3. Step 3: Cross multiply
    3,375.54x = 4,656.96 × 2,116.05
  4. Step 4: Simplify right side
    3,375.54x = 9,854,360.21
  5. Step 5: Solve for x
    x = 9,854,360.21/3,375.54
  6. Step 6: Final answer
    x = 2,919.34

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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.