Home / 3,531.42-5,295.06-1,340.31

Finding the Fourth Proportional to 3,531.42, 5,295.06 and 1,340.31

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Solution

The fourth proportional to 3,531.42, 5,295.06 and 1,340.31 is: 2,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.42 : 5,295.06 = 1,340.31 : x
  2. Step 2: Convert to fraction form
    3,531.42/5,295.06 = 1,340.31/x
  3. Step 3: Cross multiply
    3,531.42x = 5,295.06 × 1,340.31
  4. Step 4: Simplify right side
    3,531.42x = 7,097,021.87
  5. Step 5: Solve for x
    x = 7,097,021.87/3,531.42
  6. Step 6: Final answer
    x = 2,009.68

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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.