Home / 3,207.15-4,811.40-1,015.88

Finding the Fourth Proportional to 3,207.15, 4,811.40 and 1,015.88

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Solution

The fourth proportional to 3,207.15, 4,811.40 and 1,015.88 is: 1,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.15 : 4,811.40 = 1,015.88 : x
  2. Step 2: Convert to fraction form
    3,207.15/4,811.40 = 1,015.88/x
  3. Step 3: Cross multiply
    3,207.15x = 4,811.40 × 1,015.88
  4. Step 4: Simplify right side
    3,207.15x = 4,887,780.98
  5. Step 5: Solve for x
    x = 4,887,780.98/3,207.15
  6. Step 6: Final answer
    x = 1,524.03

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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.