Home / 2,675.79-4,012.23-1,214.14

Finding the Fourth Proportional to 2,675.79, 4,012.23 and 1,214.14

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Solution

The fourth proportional to 2,675.79, 4,012.23 and 1,214.14 is: 1,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.79 : 4,012.23 = 1,214.14 : x
  2. Step 2: Convert to fraction form
    2,675.79/4,012.23 = 1,214.14/x
  3. Step 3: Cross multiply
    2,675.79x = 4,012.23 × 1,214.14
  4. Step 4: Simplify right side
    2,675.79x = 4,871,408.93
  5. Step 5: Solve for x
    x = 4,871,408.93/2,675.79
  6. Step 6: Final answer
    x = 1,820.55

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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.