Home / 3,710.12-5,565.82-1,245.18

Finding the Fourth Proportional to 3,710.12, 5,565.82 and 1,245.18

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Solution

The fourth proportional to 3,710.12, 5,565.82 and 1,245.18 is: 1,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.12 : 5,565.82 = 1,245.18 : x
  2. Step 2: Convert to fraction form
    3,710.12/5,565.82 = 1,245.18/x
  3. Step 3: Cross multiply
    3,710.12x = 5,565.82 × 1,245.18
  4. Step 4: Simplify right side
    3,710.12x = 6,930,447.75
  5. Step 5: Solve for x
    x = 6,930,447.75/3,710.12
  6. Step 6: Final answer
    x = 1,867.98

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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.