Home / 3,208.17-4,812.20-1,016.90

Finding the Fourth Proportional to 3,208.17, 4,812.20 and 1,016.90

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Solution

The fourth proportional to 3,208.17, 4,812.20 and 1,016.90 is: 1,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.17 : 4,812.20 = 1,016.90 : x
  2. Step 2: Convert to fraction form
    3,208.17/4,812.20 = 1,016.90/x
  3. Step 3: Cross multiply
    3,208.17x = 4,812.20 × 1,016.90
  4. Step 4: Simplify right side
    3,208.17x = 4,893,526.18
  5. Step 5: Solve for x
    x = 4,893,526.18/3,208.17
  6. Step 6: Final answer
    x = 1,525.33

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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.