Home / 3,413.60-5,117.12-2,177.52

Finding the Fourth Proportional to 3,413.60, 5,117.12 and 2,177.52

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Solution

The fourth proportional to 3,413.60, 5,117.12 and 2,177.52 is: 3,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.60 : 5,117.12 = 2,177.52 : x
  2. Step 2: Convert to fraction form
    3,413.60/5,117.12 = 2,177.52/x
  3. Step 3: Cross multiply
    3,413.60x = 5,117.12 × 2,177.52
  4. Step 4: Simplify right side
    3,413.60x = 11,142,631.14
  5. Step 5: Solve for x
    x = 11,142,631.14/3,413.60
  6. Step 6: Final answer
    x = 3,264.19

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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.