Home / 2,201.63-3,038.27-1,317.60

Finding the Fourth Proportional to 2,201.63, 3,038.27 and 1,317.60

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Solution

The fourth proportional to 2,201.63, 3,038.27 and 1,317.60 is: 1,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.63 : 3,038.27 = 1,317.60 : x
  2. Step 2: Convert to fraction form
    2,201.63/3,038.27 = 1,317.60/x
  3. Step 3: Cross multiply
    2,201.63x = 3,038.27 × 1,317.60
  4. Step 4: Simplify right side
    2,201.63x = 4,003,217.96
  5. Step 5: Solve for x
    x = 4,003,217.96/2,201.63
  6. Step 6: Final answer
    x = 1,818.30

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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.