Home / 2,275.53-3,413.17-889.18

Finding the Fourth Proportional to 2,275.53, 3,413.17 and 889.18

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Solution

The fourth proportional to 2,275.53, 3,413.17 and 889.18 is: 1,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.53 : 3,413.17 = 889.18 : x
  2. Step 2: Convert to fraction form
    2,275.53/3,413.17 = 889.18/x
  3. Step 3: Cross multiply
    2,275.53x = 3,413.17 × 889.18
  4. Step 4: Simplify right side
    2,275.53x = 3,034,915.08
  5. Step 5: Solve for x
    x = 3,034,915.08/2,275.53
  6. Step 6: Final answer
    x = 1,333.72

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1.5x scale

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.