Home / 3,405.59-5,101.55-1,711.88

Finding the Fourth Proportional to 3,405.59, 5,101.55 and 1,711.88

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Solution

The fourth proportional to 3,405.59, 5,101.55 and 1,711.88 is: 2,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.59 : 5,101.55 = 1,711.88 : x
  2. Step 2: Convert to fraction form
    3,405.59/5,101.55 = 1,711.88/x
  3. Step 3: Cross multiply
    3,405.59x = 5,101.55 × 1,711.88
  4. Step 4: Simplify right side
    3,405.59x = 8,733,207.35
  5. Step 5: Solve for x
    x = 8,733,207.35/3,405.59
  6. Step 6: Final answer
    x = 2,564.38

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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.