Home / 3,420.64-5,125.38-2,597.86

Finding the Fourth Proportional to 3,420.64, 5,125.38 and 2,597.86

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Solution

The fourth proportional to 3,420.64, 5,125.38 and 2,597.86 is: 3,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.64 : 5,125.38 = 2,597.86 : x
  2. Step 2: Convert to fraction form
    3,420.64/5,125.38 = 2,597.86/x
  3. Step 3: Cross multiply
    3,420.64x = 5,125.38 × 2,597.86
  4. Step 4: Simplify right side
    3,420.64x = 13,315,019.69
  5. Step 5: Solve for x
    x = 13,315,019.69/3,420.64
  6. Step 6: Final answer
    x = 3,892.55

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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.