Home / 2,745.76-4,116.72-1,013.92

Finding the Fourth Proportional to 2,745.76, 4,116.72 and 1,013.92

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Solution

The fourth proportional to 2,745.76, 4,116.72 and 1,013.92 is: 1,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.76 : 4,116.72 = 1,013.92 : x
  2. Step 2: Convert to fraction form
    2,745.76/4,116.72 = 1,013.92/x
  3. Step 3: Cross multiply
    2,745.76x = 4,116.72 × 1,013.92
  4. Step 4: Simplify right side
    2,745.76x = 4,174,024.74
  5. Step 5: Solve for x
    x = 4,174,024.74/2,745.76
  6. Step 6: Final answer
    x = 1,520.17

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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.