Home / 2,745.80-4,117.89-1,575.60

Finding the Fourth Proportional to 2,745.80, 4,117.89 and 1,575.60

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Solution

The fourth proportional to 2,745.80, 4,117.89 and 1,575.60 is: 2,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.80 : 4,117.89 = 1,575.60 : x
  2. Step 2: Convert to fraction form
    2,745.80/4,117.89 = 1,575.60/x
  3. Step 3: Cross multiply
    2,745.80x = 4,117.89 × 1,575.60
  4. Step 4: Simplify right side
    2,745.80x = 6,488,145.67
  5. Step 5: Solve for x
    x = 6,488,145.67/2,745.80
  6. Step 6: Final answer
    x = 2,362.94

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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.