Home / 3,011.42-4,509.80-2,084.38

Finding the Fourth Proportional to 3,011.42, 4,509.80 and 2,084.38

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Solution

The fourth proportional to 3,011.42, 4,509.80 and 2,084.38 is: 3,121.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.42 : 4,509.80 = 2,084.38 : x
  2. Step 2: Convert to fraction form
    3,011.42/4,509.80 = 2,084.38/x
  3. Step 3: Cross multiply
    3,011.42x = 4,509.80 × 2,084.38
  4. Step 4: Simplify right side
    3,011.42x = 9,400,103.95
  5. Step 5: Solve for x
    x = 9,400,103.95/3,011.42
  6. Step 6: Final answer
    x = 3,121.49

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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.