Home / 1,418.03-2,127.73-1,068.91

Finding the Fourth Proportional to 1,418.03, 2,127.73 and 1,068.91

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Solution

The fourth proportional to 1,418.03, 2,127.73 and 1,068.91 is: 1,603.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.03 : 2,127.73 = 1,068.91 : x
  2. Step 2: Convert to fraction form
    1,418.03/2,127.73 = 1,068.91/x
  3. Step 3: Cross multiply
    1,418.03x = 2,127.73 × 1,068.91
  4. Step 4: Simplify right side
    1,418.03x = 2,274,350.38
  5. Step 5: Solve for x
    x = 2,274,350.38/1,418.03
  6. Step 6: Final answer
    x = 1,603.88

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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.