Home / 2,544.40-3,811.92-2,136.16

Finding the Fourth Proportional to 2,544.40, 3,811.92 and 2,136.16

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Solution

The fourth proportional to 2,544.40, 3,811.92 and 2,136.16 is: 3,200.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.40 : 3,811.92 = 2,136.16 : x
  2. Step 2: Convert to fraction form
    2,544.40/3,811.92 = 2,136.16/x
  3. Step 3: Cross multiply
    2,544.40x = 3,811.92 × 2,136.16
  4. Step 4: Simplify right side
    2,544.40x = 8,142,871.03
  5. Step 5: Solve for x
    x = 8,142,871.03/2,544.40
  6. Step 6: Final answer
    x = 3,200.31

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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.