Home / 3,211.17-4,816.15-1,019.92

Finding the Fourth Proportional to 3,211.17, 4,816.15 and 1,019.92

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Solution

The fourth proportional to 3,211.17, 4,816.15 and 1,019.92 is: 1,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.17 : 4,816.15 = 1,019.92 : x
  2. Step 2: Convert to fraction form
    3,211.17/4,816.15 = 1,019.92/x
  3. Step 3: Cross multiply
    3,211.17x = 4,816.15 × 1,019.92
  4. Step 4: Simplify right side
    3,211.17x = 4,912,073.12
  5. Step 5: Solve for x
    x = 4,912,073.12/3,211.17
  6. Step 6: Final answer
    x = 1,529.68

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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.