Home / 1,254.06-1,872.11-1,090.08

Finding the Fourth Proportional to 1,254.06, 1,872.11 and 1,090.08

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Solution

The fourth proportional to 1,254.06, 1,872.11 and 1,090.08 is: 1,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.06 : 1,872.11 = 1,090.08 : x
  2. Step 2: Convert to fraction form
    1,254.06/1,872.11 = 1,090.08/x
  3. Step 3: Cross multiply
    1,254.06x = 1,872.11 × 1,090.08
  4. Step 4: Simplify right side
    1,254.06x = 2,040,752.39
  5. Step 5: Solve for x
    x = 2,040,752.39/1,254.06
  6. Step 6: Final answer
    x = 1,627.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.