Home / 3,749.36-5,173.16-2,422.64

Finding the Fourth Proportional to 3,749.36, 5,173.16 and 2,422.64

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Solution

The fourth proportional to 3,749.36, 5,173.16 and 2,422.64 is: 3,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.36 : 5,173.16 = 2,422.64 : x
  2. Step 2: Convert to fraction form
    3,749.36/5,173.16 = 2,422.64/x
  3. Step 3: Cross multiply
    3,749.36x = 5,173.16 × 2,422.64
  4. Step 4: Simplify right side
    3,749.36x = 12,532,704.34
  5. Step 5: Solve for x
    x = 12,532,704.34/3,749.36
  6. Step 6: Final answer
    x = 3,342.62

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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.