Home / 1,677.20-2,512.14-1,027.17

Finding the Fourth Proportional to 1,677.20, 2,512.14 and 1,027.17

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Solution

The fourth proportional to 1,677.20, 2,512.14 and 1,027.17 is: 1,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.20 : 2,512.14 = 1,027.17 : x
  2. Step 2: Convert to fraction form
    1,677.20/2,512.14 = 1,027.17/x
  3. Step 3: Cross multiply
    1,677.20x = 2,512.14 × 1,027.17
  4. Step 4: Simplify right side
    1,677.20x = 2,580,394.84
  5. Step 5: Solve for x
    x = 2,580,394.84/1,677.20
  6. Step 6: Final answer
    x = 1,538.52

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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.