Home / 3,015.88-4,513.47-1,904.79

Finding the Fourth Proportional to 3,015.88, 4,513.47 and 1,904.79

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Solution

The fourth proportional to 3,015.88, 4,513.47 and 1,904.79 is: 2,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.88 : 4,513.47 = 1,904.79 : x
  2. Step 2: Convert to fraction form
    3,015.88/4,513.47 = 1,904.79/x
  3. Step 3: Cross multiply
    3,015.88x = 4,513.47 × 1,904.79
  4. Step 4: Simplify right side
    3,015.88x = 8,597,212.52
  5. Step 5: Solve for x
    x = 8,597,212.52/3,015.88
  6. Step 6: Final answer
    x = 2,850.65

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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.