Home / 1,867.76-2,577.44-1,028.46

Finding the Fourth Proportional to 1,867.76, 2,577.44 and 1,028.46

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Solution

The fourth proportional to 1,867.76, 2,577.44 and 1,028.46 is: 1,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.76 : 2,577.44 = 1,028.46 : x
  2. Step 2: Convert to fraction form
    1,867.76/2,577.44 = 1,028.46/x
  3. Step 3: Cross multiply
    1,867.76x = 2,577.44 × 1,028.46
  4. Step 4: Simplify right side
    1,867.76x = 2,650,793.94
  5. Step 5: Solve for x
    x = 2,650,793.94/1,867.76
  6. Step 6: Final answer
    x = 1,419.24

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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.