Home / 2,982.81-4,470.83-1,518.87

Finding the Fourth Proportional to 2,982.81, 4,470.83 and 1,518.87

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Solution

The fourth proportional to 2,982.81, 4,470.83 and 1,518.87 is: 2,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.81 : 4,470.83 = 1,518.87 : x
  2. Step 2: Convert to fraction form
    2,982.81/4,470.83 = 1,518.87/x
  3. Step 3: Cross multiply
    2,982.81x = 4,470.83 × 1,518.87
  4. Step 4: Simplify right side
    2,982.81x = 6,790,587.21
  5. Step 5: Solve for x
    x = 6,790,587.21/2,982.81
  6. Step 6: Final answer
    x = 2,276.58

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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.