Home / 1,851.10-2,772.60-1,608.10

Finding the Fourth Proportional to 1,851.10, 2,772.60 and 1,608.10

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Solution

The fourth proportional to 1,851.10, 2,772.60 and 1,608.10 is: 2,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.10 : 2,772.60 = 1,608.10 : x
  2. Step 2: Convert to fraction form
    1,851.10/2,772.60 = 1,608.10/x
  3. Step 3: Cross multiply
    1,851.10x = 2,772.60 × 1,608.10
  4. Step 4: Simplify right side
    1,851.10x = 4,458,618.06
  5. Step 5: Solve for x
    x = 4,458,618.06/1,851.10
  6. Step 6: Final answer
    x = 2,408.63

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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.