Home / 4,123.50-6,185.80-1,349.42

Finding the Fourth Proportional to 4,123.50, 6,185.80 and 1,349.42

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Solution

The fourth proportional to 4,123.50, 6,185.80 and 1,349.42 is: 2,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.50 : 6,185.80 = 1,349.42 : x
  2. Step 2: Convert to fraction form
    4,123.50/6,185.80 = 1,349.42/x
  3. Step 3: Cross multiply
    4,123.50x = 6,185.80 × 1,349.42
  4. Step 4: Simplify right side
    4,123.50x = 8,347,242.24
  5. Step 5: Solve for x
    x = 8,347,242.24/4,123.50
  6. Step 6: Final answer
    x = 2,024.31

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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.