Home / 3,219.51-4,829.27-1,489.35

Finding the Fourth Proportional to 3,219.51, 4,829.27 and 1,489.35

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Solution

The fourth proportional to 3,219.51, 4,829.27 and 1,489.35 is: 2,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.51 : 4,829.27 = 1,489.35 : x
  2. Step 2: Convert to fraction form
    3,219.51/4,829.27 = 1,489.35/x
  3. Step 3: Cross multiply
    3,219.51x = 4,829.27 × 1,489.35
  4. Step 4: Simplify right side
    3,219.51x = 7,192,465.83
  5. Step 5: Solve for x
    x = 7,192,465.83/3,219.51
  6. Step 6: Final answer
    x = 2,234.03

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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.