Home / 2,863.08-4,290.52-1,403.24

Finding the Fourth Proportional to 2,863.08, 4,290.52 and 1,403.24

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Solution

The fourth proportional to 2,863.08, 4,290.52 and 1,403.24 is: 2,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.08 : 4,290.52 = 1,403.24 : x
  2. Step 2: Convert to fraction form
    2,863.08/4,290.52 = 1,403.24/x
  3. Step 3: Cross multiply
    2,863.08x = 4,290.52 × 1,403.24
  4. Step 4: Simplify right side
    2,863.08x = 6,020,629.28
  5. Step 5: Solve for x
    x = 6,020,629.28/2,863.08
  6. Step 6: Final answer
    x = 2,102.85

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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.