Home / 3,219.22-4,829.74-1,904.14

Finding the Fourth Proportional to 3,219.22, 4,829.74 and 1,904.14

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Solution

The fourth proportional to 3,219.22, 4,829.74 and 1,904.14 is: 2,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.22 : 4,829.74 = 1,904.14 : x
  2. Step 2: Convert to fraction form
    3,219.22/4,829.74 = 1,904.14/x
  3. Step 3: Cross multiply
    3,219.22x = 4,829.74 × 1,904.14
  4. Step 4: Simplify right side
    3,219.22x = 9,196,484.29
  5. Step 5: Solve for x
    x = 9,196,484.29/3,219.22
  6. Step 6: Final answer
    x = 2,856.75

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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.