Home / 2,620.53-3,608.46-2,265.81

Finding the Fourth Proportional to 2,620.53, 3,608.46 and 2,265.81

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Solution

The fourth proportional to 2,620.53, 3,608.46 and 2,265.81 is: 3,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.53 : 3,608.46 = 2,265.81 : x
  2. Step 2: Convert to fraction form
    2,620.53/3,608.46 = 2,265.81/x
  3. Step 3: Cross multiply
    2,620.53x = 3,608.46 × 2,265.81
  4. Step 4: Simplify right side
    2,620.53x = 8,176,084.75
  5. Step 5: Solve for x
    x = 8,176,084.75/2,620.53
  6. Step 6: Final answer
    x = 3,120.01

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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.