Home / 1,028.17-1,542.27-297.75

Finding the Fourth Proportional to 1,028.17, 1,542.27 and 297.75

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Solution

The fourth proportional to 1,028.17, 1,542.27 and 297.75 is: 446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.17 : 1,542.27 = 297.75 : x
  2. Step 2: Convert to fraction form
    1,028.17/1,542.27 = 297.75/x
  3. Step 3: Cross multiply
    1,028.17x = 1,542.27 × 297.75
  4. Step 4: Simplify right side
    1,028.17x = 459,210.89
  5. Step 5: Solve for x
    x = 459,210.89/1,028.17
  6. Step 6: Final answer
    x = 446.63

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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.