Home / 3,777.52-5,201.40-3,357.20

Finding the Fourth Proportional to 3,777.52, 5,201.40 and 3,357.20

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Solution

The fourth proportional to 3,777.52, 5,201.40 and 3,357.20 is: 4,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.52 : 5,201.40 = 3,357.20 : x
  2. Step 2: Convert to fraction form
    3,777.52/5,201.40 = 3,357.20/x
  3. Step 3: Cross multiply
    3,777.52x = 5,201.40 × 3,357.20
  4. Step 4: Simplify right side
    3,777.52x = 17,462,140.08
  5. Step 5: Solve for x
    x = 17,462,140.08/3,777.52
  6. Step 6: Final answer
    x = 4,622.65

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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.