Home / 3,261.13-4,889.26-1,962.30

Finding the Fourth Proportional to 3,261.13, 4,889.26 and 1,962.30

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Solution

The fourth proportional to 3,261.13, 4,889.26 and 1,962.30 is: 2,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.13 : 4,889.26 = 1,962.30 : x
  2. Step 2: Convert to fraction form
    3,261.13/4,889.26 = 1,962.30/x
  3. Step 3: Cross multiply
    3,261.13x = 4,889.26 × 1,962.30
  4. Step 4: Simplify right side
    3,261.13x = 9,594,194.90
  5. Step 5: Solve for x
    x = 9,594,194.90/3,261.13
  6. Step 6: Final answer
    x = 2,941.98

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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.