Home / 2,740.48-4,110.72-1,098.52

Finding the Fourth Proportional to 2,740.48, 4,110.72 and 1,098.52

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Solution

The fourth proportional to 2,740.48, 4,110.72 and 1,098.52 is: 1,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.48 : 4,110.72 = 1,098.52 : x
  2. Step 2: Convert to fraction form
    2,740.48/4,110.72 = 1,098.52/x
  3. Step 3: Cross multiply
    2,740.48x = 4,110.72 × 1,098.52
  4. Step 4: Simplify right side
    2,740.48x = 4,515,708.13
  5. Step 5: Solve for x
    x = 4,515,708.13/2,740.48
  6. Step 6: Final answer
    x = 1,647.78

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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.