Home / 3,612.18-5,413.40-1,660.08

Finding the Fourth Proportional to 3,612.18, 5,413.40 and 1,660.08

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Solution

The fourth proportional to 3,612.18, 5,413.40 and 1,660.08 is: 2,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.18 : 5,413.40 = 1,660.08 : x
  2. Step 2: Convert to fraction form
    3,612.18/5,413.40 = 1,660.08/x
  3. Step 3: Cross multiply
    3,612.18x = 5,413.40 × 1,660.08
  4. Step 4: Simplify right side
    3,612.18x = 8,986,677.07
  5. Step 5: Solve for x
    x = 8,986,677.07/3,612.18
  6. Step 6: Final answer
    x = 2,487.88

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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.