Home / 2,673.40-4,010.03-1,212.55

Finding the Fourth Proportional to 2,673.40, 4,010.03 and 1,212.55

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Solution

The fourth proportional to 2,673.40, 4,010.03 and 1,212.55 is: 1,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.40 : 4,010.03 = 1,212.55 : x
  2. Step 2: Convert to fraction form
    2,673.40/4,010.03 = 1,212.55/x
  3. Step 3: Cross multiply
    2,673.40x = 4,010.03 × 1,212.55
  4. Step 4: Simplify right side
    2,673.40x = 4,862,355.81
  5. Step 5: Solve for x
    x = 4,862,355.81/2,673.40
  6. Step 6: Final answer
    x = 1,818.79

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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.