Home / 2,201.41-3,037.85-1,317.70

Finding the Fourth Proportional to 2,201.41, 3,037.85 and 1,317.70

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Solution

The fourth proportional to 2,201.41, 3,037.85 and 1,317.70 is: 1,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.41 : 3,037.85 = 1,317.70 : x
  2. Step 2: Convert to fraction form
    2,201.41/3,037.85 = 1,317.70/x
  3. Step 3: Cross multiply
    2,201.41x = 3,037.85 × 1,317.70
  4. Step 4: Simplify right side
    2,201.41x = 4,002,984.51
  5. Step 5: Solve for x
    x = 4,002,984.51/2,201.41
  6. Step 6: Final answer
    x = 1,818.37

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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.