Home / 3,913.54-5,406.50-2,572.32

Finding the Fourth Proportional to 3,913.54, 5,406.50 and 2,572.32

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Solution

The fourth proportional to 3,913.54, 5,406.50 and 2,572.32 is: 3,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.54 : 5,406.50 = 2,572.32 : x
  2. Step 2: Convert to fraction form
    3,913.54/5,406.50 = 2,572.32/x
  3. Step 3: Cross multiply
    3,913.54x = 5,406.50 × 2,572.32
  4. Step 4: Simplify right side
    3,913.54x = 13,907,248.08
  5. Step 5: Solve for x
    x = 13,907,248.08/3,913.54
  6. Step 6: Final answer
    x = 3,553.62

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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.