Home / 2,763.53-4,145.28-2,275.55

Finding the Fourth Proportional to 2,763.53, 4,145.28 and 2,275.55

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Solution

The fourth proportional to 2,763.53, 4,145.28 and 2,275.55 is: 3,413.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.53 : 4,145.28 = 2,275.55 : x
  2. Step 2: Convert to fraction form
    2,763.53/4,145.28 = 2,275.55/x
  3. Step 3: Cross multiply
    2,763.53x = 4,145.28 × 2,275.55
  4. Step 4: Simplify right side
    2,763.53x = 9,432,771.18
  5. Step 5: Solve for x
    x = 9,432,771.18/2,763.53
  6. Step 6: Final answer
    x = 3,413.31

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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.