Home / 2,201.60-3,038.08-1,317.44

Finding the Fourth Proportional to 2,201.60, 3,038.08 and 1,317.44

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Solution

The fourth proportional to 2,201.60, 3,038.08 and 1,317.44 is: 1,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.60 : 3,038.08 = 1,317.44 : x
  2. Step 2: Convert to fraction form
    2,201.60/3,038.08 = 1,317.44/x
  3. Step 3: Cross multiply
    2,201.60x = 3,038.08 × 1,317.44
  4. Step 4: Simplify right side
    2,201.60x = 4,002,488.12
  5. Step 5: Solve for x
    x = 4,002,488.12/2,201.60
  6. Step 6: Final answer
    x = 1,817.99

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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.