Home / 2,745.50-4,119.66-1,513.88

Finding the Fourth Proportional to 2,745.50, 4,119.66 and 1,513.88

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Solution

The fourth proportional to 2,745.50, 4,119.66 and 1,513.88 is: 2,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.50 : 4,119.66 = 1,513.88 : x
  2. Step 2: Convert to fraction form
    2,745.50/4,119.66 = 1,513.88/x
  3. Step 3: Cross multiply
    2,745.50x = 4,119.66 × 1,513.88
  4. Step 4: Simplify right side
    2,745.50x = 6,236,670.88
  5. Step 5: Solve for x
    x = 6,236,670.88/2,745.50
  6. Step 6: Final answer
    x = 2,271.60

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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.