Home / 3,748.98-5,173.92-2,177.22

Finding the Fourth Proportional to 3,748.98, 5,173.92 and 2,177.22

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Solution

The fourth proportional to 3,748.98, 5,173.92 and 2,177.22 is: 3,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.98 : 5,173.92 = 2,177.22 : x
  2. Step 2: Convert to fraction form
    3,748.98/5,173.92 = 2,177.22/x
  3. Step 3: Cross multiply
    3,748.98x = 5,173.92 × 2,177.22
  4. Step 4: Simplify right side
    3,748.98x = 11,264,762.10
  5. Step 5: Solve for x
    x = 11,264,762.10/3,748.98
  6. Step 6: Final answer
    x = 3,004.75

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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.