Home / 2,669.78-4,003.96-1,110.22

Finding the Fourth Proportional to 2,669.78, 4,003.96 and 1,110.22

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Solution

The fourth proportional to 2,669.78, 4,003.96 and 1,110.22 is: 1,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.78 : 4,003.96 = 1,110.22 : x
  2. Step 2: Convert to fraction form
    2,669.78/4,003.96 = 1,110.22/x
  3. Step 3: Cross multiply
    2,669.78x = 4,003.96 × 1,110.22
  4. Step 4: Simplify right side
    2,669.78x = 4,445,276.47
  5. Step 5: Solve for x
    x = 4,445,276.47/2,669.78
  6. Step 6: Final answer
    x = 1,665.03

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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.