Home / 2,863.27-3,951.21-1,604.40

Finding the Fourth Proportional to 2,863.27, 3,951.21 and 1,604.40

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Solution

The fourth proportional to 2,863.27, 3,951.21 and 1,604.40 is: 2,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.27 : 3,951.21 = 1,604.40 : x
  2. Step 2: Convert to fraction form
    2,863.27/3,951.21 = 1,604.40/x
  3. Step 3: Cross multiply
    2,863.27x = 3,951.21 × 1,604.40
  4. Step 4: Simplify right side
    2,863.27x = 6,339,321.32
  5. Step 5: Solve for x
    x = 6,339,321.32/2,863.27
  6. Step 6: Final answer
    x = 2,214.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.