Home / 2,528.03-3,488.60-1,408.88

Finding the Fourth Proportional to 2,528.03, 3,488.60 and 1,408.88

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Solution

The fourth proportional to 2,528.03, 3,488.60 and 1,408.88 is: 1,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.03 : 3,488.60 = 1,408.88 : x
  2. Step 2: Convert to fraction form
    2,528.03/3,488.60 = 1,408.88/x
  3. Step 3: Cross multiply
    2,528.03x = 3,488.60 × 1,408.88
  4. Step 4: Simplify right side
    2,528.03x = 4,915,004.85
  5. Step 5: Solve for x
    x = 4,915,004.85/2,528.03
  6. Step 6: Final answer
    x = 1,944.21

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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.