Home / 2,507.22-3,756.38-2,138.27

Finding the Fourth Proportional to 2,507.22, 3,756.38 and 2,138.27

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Solution

The fourth proportional to 2,507.22, 3,756.38 and 2,138.27 is: 3,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.22 : 3,756.38 = 2,138.27 : x
  2. Step 2: Convert to fraction form
    2,507.22/3,756.38 = 2,138.27/x
  3. Step 3: Cross multiply
    2,507.22x = 3,756.38 × 2,138.27
  4. Step 4: Simplify right side
    2,507.22x = 8,032,125.19
  5. Step 5: Solve for x
    x = 8,032,125.19/2,507.22
  6. Step 6: Final answer
    x = 3,203.60

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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.