Home / 3,435.71-5,150.36-1,243.92

Finding the Fourth Proportional to 3,435.71, 5,150.36 and 1,243.92

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Solution

The fourth proportional to 3,435.71, 5,150.36 and 1,243.92 is: 1,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.71 : 5,150.36 = 1,243.92 : x
  2. Step 2: Convert to fraction form
    3,435.71/5,150.36 = 1,243.92/x
  3. Step 3: Cross multiply
    3,435.71x = 5,150.36 × 1,243.92
  4. Step 4: Simplify right side
    3,435.71x = 6,406,629.59
  5. Step 5: Solve for x
    x = 6,406,629.59/3,435.71
  6. Step 6: Final answer
    x = 1,864.72

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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.