Home / 2,862.75-4,295.55-1,219.68

Finding the Fourth Proportional to 2,862.75, 4,295.55 and 1,219.68

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Solution

The fourth proportional to 2,862.75, 4,295.55 and 1,219.68 is: 1,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.75 : 4,295.55 = 1,219.68 : x
  2. Step 2: Convert to fraction form
    2,862.75/4,295.55 = 1,219.68/x
  3. Step 3: Cross multiply
    2,862.75x = 4,295.55 × 1,219.68
  4. Step 4: Simplify right side
    2,862.75x = 5,239,196.42
  5. Step 5: Solve for x
    x = 5,239,196.42/2,862.75
  6. Step 6: Final answer
    x = 1,830.13

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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.