Home / 3,474.22-5,208.58-1,281.74

Finding the Fourth Proportional to 3,474.22, 5,208.58 and 1,281.74

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Solution

The fourth proportional to 3,474.22, 5,208.58 and 1,281.74 is: 1,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.22 : 5,208.58 = 1,281.74 : x
  2. Step 2: Convert to fraction form
    3,474.22/5,208.58 = 1,281.74/x
  3. Step 3: Cross multiply
    3,474.22x = 5,208.58 × 1,281.74
  4. Step 4: Simplify right side
    3,474.22x = 6,676,045.33
  5. Step 5: Solve for x
    x = 6,676,045.33/3,474.22
  6. Step 6: Final answer
    x = 1,921.60

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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.