Home / 3,261.50-4,891.27-1,412.16

Finding the Fourth Proportional to 3,261.50, 4,891.27 and 1,412.16

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Solution

The fourth proportional to 3,261.50, 4,891.27 and 1,412.16 is: 2,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.50 : 4,891.27 = 1,412.16 : x
  2. Step 2: Convert to fraction form
    3,261.50/4,891.27 = 1,412.16/x
  3. Step 3: Cross multiply
    3,261.50x = 4,891.27 × 1,412.16
  4. Step 4: Simplify right side
    3,261.50x = 6,907,255.84
  5. Step 5: Solve for x
    x = 6,907,255.84/3,261.50
  6. Step 6: Final answer
    x = 2,117.82

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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.