Home / 2,707.38-4,061.07-1,408.55

Finding the Fourth Proportional to 2,707.38, 4,061.07 and 1,408.55

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Solution

The fourth proportional to 2,707.38, 4,061.07 and 1,408.55 is: 2,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.38 : 4,061.07 = 1,408.55 : x
  2. Step 2: Convert to fraction form
    2,707.38/4,061.07 = 1,408.55/x
  3. Step 3: Cross multiply
    2,707.38x = 4,061.07 × 1,408.55
  4. Step 4: Simplify right side
    2,707.38x = 5,720,199.84
  5. Step 5: Solve for x
    x = 5,720,199.84/2,707.38
  6. Step 6: Final answer
    x = 2,112.82

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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.