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Finding the Fourth Proportional to 3,558.49, 5,338.49 and 1,337.34

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Solution

The fourth proportional to 3,558.49, 5,338.49 and 1,337.34 is: 2,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.49 : 5,338.49 = 1,337.34 : x
  2. Step 2: Convert to fraction form
    3,558.49/5,338.49 = 1,337.34/x
  3. Step 3: Cross multiply
    3,558.49x = 5,338.49 × 1,337.34
  4. Step 4: Simplify right side
    3,558.49x = 7,139,393.81
  5. Step 5: Solve for x
    x = 7,139,393.81/3,558.49
  6. Step 6: Final answer
    x = 2,006.30

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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.