Home / 3,688.92-5,530.50-2,699.64

Finding the Fourth Proportional to 3,688.92, 5,530.50 and 2,699.64

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Solution

The fourth proportional to 3,688.92, 5,530.50 and 2,699.64 is: 4,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.92 : 5,530.50 = 2,699.64 : x
  2. Step 2: Convert to fraction form
    3,688.92/5,530.50 = 2,699.64/x
  3. Step 3: Cross multiply
    3,688.92x = 5,530.50 × 2,699.64
  4. Step 4: Simplify right side
    3,688.92x = 14,930,359.02
  5. Step 5: Solve for x
    x = 14,930,359.02/3,688.92
  6. Step 6: Final answer
    x = 4,047.35

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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.