Home / 2,622.48-3,931.94-1,236.06

Finding the Fourth Proportional to 2,622.48, 3,931.94 and 1,236.06

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Solution

The fourth proportional to 2,622.48, 3,931.94 and 1,236.06 is: 1,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.48 : 3,931.94 = 1,236.06 : x
  2. Step 2: Convert to fraction form
    2,622.48/3,931.94 = 1,236.06/x
  3. Step 3: Cross multiply
    2,622.48x = 3,931.94 × 1,236.06
  4. Step 4: Simplify right side
    2,622.48x = 4,860,116.85
  5. Step 5: Solve for x
    x = 4,860,116.85/2,622.48
  6. Step 6: Final answer
    x = 1,853.25

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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.