Home / 2,427.90-3,641.57-673.03

Finding the Fourth Proportional to 2,427.90, 3,641.57 and 673.03

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Solution

The fourth proportional to 2,427.90, 3,641.57 and 673.03 is: 1,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.90 : 3,641.57 = 673.03 : x
  2. Step 2: Convert to fraction form
    2,427.90/3,641.57 = 673.03/x
  3. Step 3: Cross multiply
    2,427.90x = 3,641.57 × 673.03
  4. Step 4: Simplify right side
    2,427.90x = 2,450,885.86
  5. Step 5: Solve for x
    x = 2,450,885.86/2,427.90
  6. Step 6: Final answer
    x = 1,009.47

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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.