Home / 3,196.15-4,790.19-1,711.69

Finding the Fourth Proportional to 3,196.15, 4,790.19 and 1,711.69

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Solution

The fourth proportional to 3,196.15, 4,790.19 and 1,711.69 is: 2,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.15 : 4,790.19 = 1,711.69 : x
  2. Step 2: Convert to fraction form
    3,196.15/4,790.19 = 1,711.69/x
  3. Step 3: Cross multiply
    3,196.15x = 4,790.19 × 1,711.69
  4. Step 4: Simplify right side
    3,196.15x = 8,199,319.34
  5. Step 5: Solve for x
    x = 8,199,319.34/3,196.15
  6. Step 6: Final answer
    x = 2,565.37

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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.