Home / 2,610.86-3,603.62-1,772.96

Finding the Fourth Proportional to 2,610.86, 3,603.62 and 1,772.96

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Solution

The fourth proportional to 2,610.86, 3,603.62 and 1,772.96 is: 2,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.86 : 3,603.62 = 1,772.96 : x
  2. Step 2: Convert to fraction form
    2,610.86/3,603.62 = 1,772.96/x
  3. Step 3: Cross multiply
    2,610.86x = 3,603.62 × 1,772.96
  4. Step 4: Simplify right side
    2,610.86x = 6,389,065.25
  5. Step 5: Solve for x
    x = 6,389,065.25/2,610.86
  6. Step 6: Final answer
    x = 2,447.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.