Home / 3,750.22-5,173.63-2,177.47

Finding the Fourth Proportional to 3,750.22, 5,173.63 and 2,177.47

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Solution

The fourth proportional to 3,750.22, 5,173.63 and 2,177.47 is: 3,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.22 : 5,173.63 = 2,177.47 : x
  2. Step 2: Convert to fraction form
    3,750.22/5,173.63 = 2,177.47/x
  3. Step 3: Cross multiply
    3,750.22x = 5,173.63 × 2,177.47
  4. Step 4: Simplify right side
    3,750.22x = 11,265,424.12
  5. Step 5: Solve for x
    x = 11,265,424.12/3,750.22
  6. Step 6: Final answer
    x = 3,003.94

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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.