Home / 2,201.73-3,038.66-1,317.52

Finding the Fourth Proportional to 2,201.73, 3,038.66 and 1,317.52

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Solution

The fourth proportional to 2,201.73, 3,038.66 and 1,317.52 is: 1,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.73 : 3,038.66 = 1,317.52 : x
  2. Step 2: Convert to fraction form
    2,201.73/3,038.66 = 1,317.52/x
  3. Step 3: Cross multiply
    2,201.73x = 3,038.66 × 1,317.52
  4. Step 4: Simplify right side
    2,201.73x = 4,003,487.79
  5. Step 5: Solve for x
    x = 4,003,487.79/2,201.73
  6. Step 6: Final answer
    x = 1,818.34

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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.