Home / 3,629.60-5,445.17-2,070.35

Finding the Fourth Proportional to 3,629.60, 5,445.17 and 2,070.35

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Solution

The fourth proportional to 3,629.60, 5,445.17 and 2,070.35 is: 3,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.60 : 5,445.17 = 2,070.35 : x
  2. Step 2: Convert to fraction form
    3,629.60/5,445.17 = 2,070.35/x
  3. Step 3: Cross multiply
    3,629.60x = 5,445.17 × 2,070.35
  4. Step 4: Simplify right side
    3,629.60x = 11,273,407.71
  5. Step 5: Solve for x
    x = 11,273,407.71/3,629.60
  6. Step 6: Final answer
    x = 3,105.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.