Home / 3,815.16-5,722.83-1,316.52

Finding the Fourth Proportional to 3,815.16, 5,722.83 and 1,316.52

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Solution

The fourth proportional to 3,815.16, 5,722.83 and 1,316.52 is: 1,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.16 : 5,722.83 = 1,316.52 : x
  2. Step 2: Convert to fraction form
    3,815.16/5,722.83 = 1,316.52/x
  3. Step 3: Cross multiply
    3,815.16x = 5,722.83 × 1,316.52
  4. Step 4: Simplify right side
    3,815.16x = 7,534,220.15
  5. Step 5: Solve for x
    x = 7,534,220.15/3,815.16
  6. Step 6: Final answer
    x = 1,974.81

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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.