Home / 3,316.26-4,577.04-1,919

Finding the Fourth Proportional to 3,316.26, 4,577.04 and 1,919

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Solution

The fourth proportional to 3,316.26, 4,577.04 and 1,919 is: 2,648.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.26 : 4,577.04 = 1,919 : x
  2. Step 2: Convert to fraction form
    3,316.26/4,577.04 = 1,919/x
  3. Step 3: Cross multiply
    3,316.26x = 4,577.04 × 1,919
  4. Step 4: Simplify right side
    3,316.26x = 8,783,339.76
  5. Step 5: Solve for x
    x = 8,783,339.76/3,316.26
  6. Step 6: Final answer
    x = 2,648.57

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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.