Home / 2,854.92-4,280.54-1,211.03

Finding the Fourth Proportional to 2,854.92, 4,280.54 and 1,211.03

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Solution

The fourth proportional to 2,854.92, 4,280.54 and 1,211.03 is: 1,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.92 : 4,280.54 = 1,211.03 : x
  2. Step 2: Convert to fraction form
    2,854.92/4,280.54 = 1,211.03/x
  3. Step 3: Cross multiply
    2,854.92x = 4,280.54 × 1,211.03
  4. Step 4: Simplify right side
    2,854.92x = 5,183,834.90
  5. Step 5: Solve for x
    x = 5,183,834.90/2,854.92
  6. Step 6: Final answer
    x = 1,815.75

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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.