Home / 3,748.87-5,173.77-2,177.47

Finding the Fourth Proportional to 3,748.87, 5,173.77 and 2,177.47

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Solution

The fourth proportional to 3,748.87, 5,173.77 and 2,177.47 is: 3,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.87 : 5,173.77 = 2,177.47 : x
  2. Step 2: Convert to fraction form
    3,748.87/5,173.77 = 2,177.47/x
  3. Step 3: Cross multiply
    3,748.87x = 5,173.77 × 2,177.47
  4. Step 4: Simplify right side
    3,748.87x = 11,265,728.96
  5. Step 5: Solve for x
    x = 11,265,728.96/3,748.87
  6. Step 6: Final answer
    x = 3,005.10

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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.