Home / 2,336.36-3,223.50-1,391.68

Finding the Fourth Proportional to 2,336.36, 3,223.50 and 1,391.68

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Solution

The fourth proportional to 2,336.36, 3,223.50 and 1,391.68 is: 1,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.36 : 3,223.50 = 1,391.68 : x
  2. Step 2: Convert to fraction form
    2,336.36/3,223.50 = 1,391.68/x
  3. Step 3: Cross multiply
    2,336.36x = 3,223.50 × 1,391.68
  4. Step 4: Simplify right side
    2,336.36x = 4,486,080.48
  5. Step 5: Solve for x
    x = 4,486,080.48/2,336.36
  6. Step 6: Final answer
    x = 1,920.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.