Home / 3,558.78-4,909.50-2,299.35

Finding the Fourth Proportional to 3,558.78, 4,909.50 and 2,299.35

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Solution

The fourth proportional to 3,558.78, 4,909.50 and 2,299.35 is: 3,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.78 : 4,909.50 = 2,299.35 : x
  2. Step 2: Convert to fraction form
    3,558.78/4,909.50 = 2,299.35/x
  3. Step 3: Cross multiply
    3,558.78x = 4,909.50 × 2,299.35
  4. Step 4: Simplify right side
    3,558.78x = 11,288,658.83
  5. Step 5: Solve for x
    x = 11,288,658.83/3,558.78
  6. Step 6: Final answer
    x = 3,172.06

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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.