Home / 2,275.32-3,413.95-1,455.20

Finding the Fourth Proportional to 2,275.32, 3,413.95 and 1,455.20

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Solution

The fourth proportional to 2,275.32, 3,413.95 and 1,455.20 is: 2,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.32 : 3,413.95 = 1,455.20 : x
  2. Step 2: Convert to fraction form
    2,275.32/3,413.95 = 1,455.20/x
  3. Step 3: Cross multiply
    2,275.32x = 3,413.95 × 1,455.20
  4. Step 4: Simplify right side
    2,275.32x = 4,967,972.13
  5. Step 5: Solve for x
    x = 4,967,972.13/2,275.32
  6. Step 6: Final answer
    x = 2,183.41

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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.