Home / 3,565.86-4,910.13-3,191.64

Finding the Fourth Proportional to 3,565.86, 4,910.13 and 3,191.64

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Solution

The fourth proportional to 3,565.86, 4,910.13 and 3,191.64 is: 4,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.86 : 4,910.13 = 3,191.64 : x
  2. Step 2: Convert to fraction form
    3,565.86/4,910.13 = 3,191.64/x
  3. Step 3: Cross multiply
    3,565.86x = 4,910.13 × 3,191.64
  4. Step 4: Simplify right side
    3,565.86x = 15,671,367.31
  5. Step 5: Solve for x
    x = 15,671,367.31/3,565.86
  6. Step 6: Final answer
    x = 4,394.84

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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.