Home / 3,427.40-5,141.29-1,673.90

Finding the Fourth Proportional to 3,427.40, 5,141.29 and 1,673.90

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Solution

The fourth proportional to 3,427.40, 5,141.29 and 1,673.90 is: 2,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.40 : 5,141.29 = 1,673.90 : x
  2. Step 2: Convert to fraction form
    3,427.40/5,141.29 = 1,673.90/x
  3. Step 3: Cross multiply
    3,427.40x = 5,141.29 × 1,673.90
  4. Step 4: Simplify right side
    3,427.40x = 8,606,005.33
  5. Step 5: Solve for x
    x = 8,606,005.33/3,427.40
  6. Step 6: Final answer
    x = 2,510.94

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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.