Home / 3,673.45-5,502.87-2,688.34

Finding the Fourth Proportional to 3,673.45, 5,502.87 and 2,688.34

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Solution

The fourth proportional to 3,673.45, 5,502.87 and 2,688.34 is: 4,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.45 : 5,502.87 = 2,688.34 : x
  2. Step 2: Convert to fraction form
    3,673.45/5,502.87 = 2,688.34/x
  3. Step 3: Cross multiply
    3,673.45x = 5,502.87 × 2,688.34
  4. Step 4: Simplify right side
    3,673.45x = 14,793,585.54
  5. Step 5: Solve for x
    x = 14,793,585.54/3,673.45
  6. Step 6: Final answer
    x = 4,027.16

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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.