Home / 3,397.78-5,095.81-1,317.07

Finding the Fourth Proportional to 3,397.78, 5,095.81 and 1,317.07

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Solution

The fourth proportional to 3,397.78, 5,095.81 and 1,317.07 is: 1,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.78 : 5,095.81 = 1,317.07 : x
  2. Step 2: Convert to fraction form
    3,397.78/5,095.81 = 1,317.07/x
  3. Step 3: Cross multiply
    3,397.78x = 5,095.81 × 1,317.07
  4. Step 4: Simplify right side
    3,397.78x = 6,711,538.48
  5. Step 5: Solve for x
    x = 6,711,538.48/3,397.78
  6. Step 6: Final answer
    x = 1,975.27

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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.