Home / 2,291.49-3,438.45-1,747.17

Finding the Fourth Proportional to 2,291.49, 3,438.45 and 1,747.17

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Solution

The fourth proportional to 2,291.49, 3,438.45 and 1,747.17 is: 2,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.49 : 3,438.45 = 1,747.17 : x
  2. Step 2: Convert to fraction form
    2,291.49/3,438.45 = 1,747.17/x
  3. Step 3: Cross multiply
    2,291.49x = 3,438.45 × 1,747.17
  4. Step 4: Simplify right side
    2,291.49x = 6,007,556.69
  5. Step 5: Solve for x
    x = 6,007,556.69/2,291.49
  6. Step 6: Final answer
    x = 2,621.68

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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.