Home / 3,223.12-4,842.36-1,856.08

Finding the Fourth Proportional to 3,223.12, 4,842.36 and 1,856.08

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Solution

The fourth proportional to 3,223.12, 4,842.36 and 1,856.08 is: 2,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.12 : 4,842.36 = 1,856.08 : x
  2. Step 2: Convert to fraction form
    3,223.12/4,842.36 = 1,856.08/x
  3. Step 3: Cross multiply
    3,223.12x = 4,842.36 × 1,856.08
  4. Step 4: Simplify right side
    3,223.12x = 8,987,807.55
  5. Step 5: Solve for x
    x = 8,987,807.55/3,223.12
  6. Step 6: Final answer
    x = 2,788.54

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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.