Home / 3,261.10-4,891.65-2,094.70

Finding the Fourth Proportional to 3,261.10, 4,891.65 and 2,094.70

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Solution

The fourth proportional to 3,261.10, 4,891.65 and 2,094.70 is: 3,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.10 : 4,891.65 = 2,094.70 : x
  2. Step 2: Convert to fraction form
    3,261.10/4,891.65 = 2,094.70/x
  3. Step 3: Cross multiply
    3,261.10x = 4,891.65 × 2,094.70
  4. Step 4: Simplify right side
    3,261.10x = 10,246,539.26
  5. Step 5: Solve for x
    x = 10,246,539.26/3,261.10
  6. Step 6: Final answer
    x = 3,142.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.