Home / 3,417.86-5,125.81-1,336.39

Finding the Fourth Proportional to 3,417.86, 5,125.81 and 1,336.39

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Solution

The fourth proportional to 3,417.86, 5,125.81 and 1,336.39 is: 2,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.86 : 5,125.81 = 1,336.39 : x
  2. Step 2: Convert to fraction form
    3,417.86/5,125.81 = 1,336.39/x
  3. Step 3: Cross multiply
    3,417.86x = 5,125.81 × 1,336.39
  4. Step 4: Simplify right side
    3,417.86x = 6,850,081.23
  5. Step 5: Solve for x
    x = 6,850,081.23/3,417.86
  6. Step 6: Final answer
    x = 2,004.20

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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.