Home / 2,863.30-4,312.95-2,604.96

Finding the Fourth Proportional to 2,863.30, 4,312.95 and 2,604.96

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Solution

The fourth proportional to 2,863.30, 4,312.95 and 2,604.96 is: 3,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.30 : 4,312.95 = 2,604.96 : x
  2. Step 2: Convert to fraction form
    2,863.30/4,312.95 = 2,604.96/x
  3. Step 3: Cross multiply
    2,863.30x = 4,312.95 × 2,604.96
  4. Step 4: Simplify right side
    2,863.30x = 11,235,052.46
  5. Step 5: Solve for x
    x = 11,235,052.46/2,863.30
  6. Step 6: Final answer
    x = 3,923.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.