Home / 2,413.18-3,330.48-1,528.66

Finding the Fourth Proportional to 2,413.18, 3,330.48 and 1,528.66

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Solution

The fourth proportional to 2,413.18, 3,330.48 and 1,528.66 is: 2,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.18 : 3,330.48 = 1,528.66 : x
  2. Step 2: Convert to fraction form
    2,413.18/3,330.48 = 1,528.66/x
  3. Step 3: Cross multiply
    2,413.18x = 3,330.48 × 1,528.66
  4. Step 4: Simplify right side
    2,413.18x = 5,091,171.56
  5. Step 5: Solve for x
    x = 5,091,171.56/2,413.18
  6. Step 6: Final answer
    x = 2,109.74

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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.