Home / 3,771.36-5,203.44-2,445.12

Finding the Fourth Proportional to 3,771.36, 5,203.44 and 2,445.12

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Solution

The fourth proportional to 3,771.36, 5,203.44 and 2,445.12 is: 3,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.36 : 5,203.44 = 2,445.12 : x
  2. Step 2: Convert to fraction form
    3,771.36/5,203.44 = 2,445.12/x
  3. Step 3: Cross multiply
    3,771.36x = 5,203.44 × 2,445.12
  4. Step 4: Simplify right side
    3,771.36x = 12,723,035.21
  5. Step 5: Solve for x
    x = 12,723,035.21/3,771.36
  6. Step 6: Final answer
    x = 3,373.59

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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.