Home / 3,207.08-4,811.47-1,015.80

Finding the Fourth Proportional to 3,207.08, 4,811.47 and 1,015.80

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Solution

The fourth proportional to 3,207.08, 4,811.47 and 1,015.80 is: 1,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.08 : 4,811.47 = 1,015.80 : x
  2. Step 2: Convert to fraction form
    3,207.08/4,811.47 = 1,015.80/x
  3. Step 3: Cross multiply
    3,207.08x = 4,811.47 × 1,015.80
  4. Step 4: Simplify right side
    3,207.08x = 4,887,486.15
  5. Step 5: Solve for x
    x = 4,887,486.15/3,207.08
  6. Step 6: Final answer
    x = 1,523.97

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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.