Home / 3,442.06-4,747.40-2,321.22

Finding the Fourth Proportional to 3,442.06, 4,747.40 and 2,321.22

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Solution

The fourth proportional to 3,442.06, 4,747.40 and 2,321.22 is: 3,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.06 : 4,747.40 = 2,321.22 : x
  2. Step 2: Convert to fraction form
    3,442.06/4,747.40 = 2,321.22/x
  3. Step 3: Cross multiply
    3,442.06x = 4,747.40 × 2,321.22
  4. Step 4: Simplify right side
    3,442.06x = 11,019,748.22
  5. Step 5: Solve for x
    x = 11,019,748.22/3,442.06
  6. Step 6: Final answer
    x = 3,201.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.