Home / 3,398.05-5,095.71-1,316.96

Finding the Fourth Proportional to 3,398.05, 5,095.71 and 1,316.96

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Solution

The fourth proportional to 3,398.05, 5,095.71 and 1,316.96 is: 1,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.05 : 5,095.71 = 1,316.96 : x
  2. Step 2: Convert to fraction form
    3,398.05/5,095.71 = 1,316.96/x
  3. Step 3: Cross multiply
    3,398.05x = 5,095.71 × 1,316.96
  4. Step 4: Simplify right side
    3,398.05x = 6,710,839.87
  5. Step 5: Solve for x
    x = 6,710,839.87/3,398.05
  6. Step 6: Final answer
    x = 1,974.91

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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.