Home / 3,261.34-4,891.02-2,171.53

Finding the Fourth Proportional to 3,261.34, 4,891.02 and 2,171.53

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Solution

The fourth proportional to 3,261.34, 4,891.02 and 2,171.53 is: 3,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.34 : 4,891.02 = 2,171.53 : x
  2. Step 2: Convert to fraction form
    3,261.34/4,891.02 = 2,171.53/x
  3. Step 3: Cross multiply
    3,261.34x = 4,891.02 × 2,171.53
  4. Step 4: Simplify right side
    3,261.34x = 10,620,996.66
  5. Step 5: Solve for x
    x = 10,620,996.66/3,261.34
  6. Step 6: Final answer
    x = 3,256.64

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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.