Home / 3,688.11-5,526.41-3,138.03

Finding the Fourth Proportional to 3,688.11, 5,526.41 and 3,138.03

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Solution

The fourth proportional to 3,688.11, 5,526.41 and 3,138.03 is: 4,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.11 : 5,526.41 = 3,138.03 : x
  2. Step 2: Convert to fraction form
    3,688.11/5,526.41 = 3,138.03/x
  3. Step 3: Cross multiply
    3,688.11x = 5,526.41 × 3,138.03
  4. Step 4: Simplify right side
    3,688.11x = 17,342,024.68
  5. Step 5: Solve for x
    x = 17,342,024.68/3,688.11
  6. Step 6: Final answer
    x = 4,702.14

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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.