Home / 3,150.64-4,725.77-1,395.13

Finding the Fourth Proportional to 3,150.64, 4,725.77 and 1,395.13

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Solution

The fourth proportional to 3,150.64, 4,725.77 and 1,395.13 is: 2,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.64 : 4,725.77 = 1,395.13 : x
  2. Step 2: Convert to fraction form
    3,150.64/4,725.77 = 1,395.13/x
  3. Step 3: Cross multiply
    3,150.64x = 4,725.77 × 1,395.13
  4. Step 4: Simplify right side
    3,150.64x = 6,593,044.71
  5. Step 5: Solve for x
    x = 6,593,044.71/3,150.64
  6. Step 6: Final answer
    x = 2,092.61

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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.