Home / 2,275.18-3,413.31-976.66

Finding the Fourth Proportional to 2,275.18, 3,413.31 and 976.66

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Solution

The fourth proportional to 2,275.18, 3,413.31 and 976.66 is: 1,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.18 : 3,413.31 = 976.66 : x
  2. Step 2: Convert to fraction form
    2,275.18/3,413.31 = 976.66/x
  3. Step 3: Cross multiply
    2,275.18x = 3,413.31 × 976.66
  4. Step 4: Simplify right side
    2,275.18x = 3,333,643.34
  5. Step 5: Solve for x
    x = 3,333,643.34/2,275.18
  6. Step 6: Final answer
    x = 1,465.22

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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.