Home / 3,722.24-5,136.64-2,043.60

Finding the Fourth Proportional to 3,722.24, 5,136.64 and 2,043.60

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Solution

The fourth proportional to 3,722.24, 5,136.64 and 2,043.60 is: 2,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.24 : 5,136.64 = 2,043.60 : x
  2. Step 2: Convert to fraction form
    3,722.24/5,136.64 = 2,043.60/x
  3. Step 3: Cross multiply
    3,722.24x = 5,136.64 × 2,043.60
  4. Step 4: Simplify right side
    3,722.24x = 10,497,237.50
  5. Step 5: Solve for x
    x = 10,497,237.50/3,722.24
  6. Step 6: Final answer
    x = 2,820.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.