Home / 3,722.40-5,137.50-2,150.58

Finding the Fourth Proportional to 3,722.40, 5,137.50 and 2,150.58

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Solution

The fourth proportional to 3,722.40, 5,137.50 and 2,150.58 is: 2,968.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.40 : 5,137.50 = 2,150.58 : x
  2. Step 2: Convert to fraction form
    3,722.40/5,137.50 = 2,150.58/x
  3. Step 3: Cross multiply
    3,722.40x = 5,137.50 × 2,150.58
  4. Step 4: Simplify right side
    3,722.40x = 11,048,604.75
  5. Step 5: Solve for x
    x = 11,048,604.75/3,722.40
  6. Step 6: Final answer
    x = 2,968.14

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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.