Home / 3,749.20-5,173.91-2,257.18

Finding the Fourth Proportional to 3,749.20, 5,173.91 and 2,257.18

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Solution

The fourth proportional to 3,749.20, 5,173.91 and 2,257.18 is: 3,114.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.20 : 5,173.91 = 2,257.18 : x
  2. Step 2: Convert to fraction form
    3,749.20/5,173.91 = 2,257.18/x
  3. Step 3: Cross multiply
    3,749.20x = 5,173.91 × 2,257.18
  4. Step 4: Simplify right side
    3,749.20x = 11,678,459.52
  5. Step 5: Solve for x
    x = 11,678,459.52/3,749.20
  6. Step 6: Final answer
    x = 3,114.92

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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.