Home / 3,012.11-4,525.08-2,136.78

Finding the Fourth Proportional to 3,012.11, 4,525.08 and 2,136.78

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Solution

The fourth proportional to 3,012.11, 4,525.08 and 2,136.78 is: 3,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.11 : 4,525.08 = 2,136.78 : x
  2. Step 2: Convert to fraction form
    3,012.11/4,525.08 = 2,136.78/x
  3. Step 3: Cross multiply
    3,012.11x = 4,525.08 × 2,136.78
  4. Step 4: Simplify right side
    3,012.11x = 9,669,100.44
  5. Step 5: Solve for x
    x = 9,669,100.44/3,012.11
  6. Step 6: Final answer
    x = 3,210.08

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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.