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Finding the Fourth Proportional to 3,553.89, 4,899.22 and 2,488.35

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Solution

The fourth proportional to 3,553.89, 4,899.22 and 2,488.35 is: 3,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.89 : 4,899.22 = 2,488.35 : x
  2. Step 2: Convert to fraction form
    3,553.89/4,899.22 = 2,488.35/x
  3. Step 3: Cross multiply
    3,553.89x = 4,899.22 × 2,488.35
  4. Step 4: Simplify right side
    3,553.89x = 12,190,974.09
  5. Step 5: Solve for x
    x = 12,190,974.09/3,553.89
  6. Step 6: Final answer
    x = 3,430.32

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1.5x scale

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.