Home / 1,745.38-2,616.45-1,418.14

Finding the Fourth Proportional to 1,745.38, 2,616.45 and 1,418.14

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Solution

The fourth proportional to 1,745.38, 2,616.45 and 1,418.14 is: 2,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.38 : 2,616.45 = 1,418.14 : x
  2. Step 2: Convert to fraction form
    1,745.38/2,616.45 = 1,418.14/x
  3. Step 3: Cross multiply
    1,745.38x = 2,616.45 × 1,418.14
  4. Step 4: Simplify right side
    1,745.38x = 3,710,492.40
  5. Step 5: Solve for x
    x = 3,710,492.40/1,745.38
  6. Step 6: Final answer
    x = 2,125.89

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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.