Home / 1,867.51-2,577.17-1,028.19

Finding the Fourth Proportional to 1,867.51, 2,577.17 and 1,028.19

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Solution

The fourth proportional to 1,867.51, 2,577.17 and 1,028.19 is: 1,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.51 : 2,577.17 = 1,028.19 : x
  2. Step 2: Convert to fraction form
    1,867.51/2,577.17 = 1,028.19/x
  3. Step 3: Cross multiply
    1,867.51x = 2,577.17 × 1,028.19
  4. Step 4: Simplify right side
    1,867.51x = 2,649,832.66
  5. Step 5: Solve for x
    x = 2,649,832.66/1,867.51
  6. Step 6: Final answer
    x = 1,418.91

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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.