Home / 3,207.28-4,811.54-1,015.57

Finding the Fourth Proportional to 3,207.28, 4,811.54 and 1,015.57

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Solution

The fourth proportional to 3,207.28, 4,811.54 and 1,015.57 is: 1,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.28 : 4,811.54 = 1,015.57 : x
  2. Step 2: Convert to fraction form
    3,207.28/4,811.54 = 1,015.57/x
  3. Step 3: Cross multiply
    3,207.28x = 4,811.54 × 1,015.57
  4. Step 4: Simplify right side
    3,207.28x = 4,886,455.68
  5. Step 5: Solve for x
    x = 4,886,455.68/3,207.28
  6. Step 6: Final answer
    x = 1,523.55

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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.