Home / 2,201.72-3,037.38-1,415.48

Finding the Fourth Proportional to 2,201.72, 3,037.38 and 1,415.48

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Solution

The fourth proportional to 2,201.72, 3,037.38 and 1,415.48 is: 1,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.72 : 3,037.38 = 1,415.48 : x
  2. Step 2: Convert to fraction form
    2,201.72/3,037.38 = 1,415.48/x
  3. Step 3: Cross multiply
    2,201.72x = 3,037.38 × 1,415.48
  4. Step 4: Simplify right side
    2,201.72x = 4,299,350.64
  5. Step 5: Solve for x
    x = 4,299,350.64/2,201.72
  6. Step 6: Final answer
    x = 1,952.72

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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.