Home / 2,575.46-3,863.09-1,793.21

Finding the Fourth Proportional to 2,575.46, 3,863.09 and 1,793.21

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Solution

The fourth proportional to 2,575.46, 3,863.09 and 1,793.21 is: 2,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.46 : 3,863.09 = 1,793.21 : x
  2. Step 2: Convert to fraction form
    2,575.46/3,863.09 = 1,793.21/x
  3. Step 3: Cross multiply
    2,575.46x = 3,863.09 × 1,793.21
  4. Step 4: Simplify right side
    2,575.46x = 6,927,316.79
  5. Step 5: Solve for x
    x = 6,927,316.79/2,575.46
  6. Step 6: Final answer
    x = 2,689.74

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1.5x scale

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.