Home / 3,423.54-5,134.14-1,114.50

Finding the Fourth Proportional to 3,423.54, 5,134.14 and 1,114.50

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Solution

The fourth proportional to 3,423.54, 5,134.14 and 1,114.50 is: 1,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.54 : 5,134.14 = 1,114.50 : x
  2. Step 2: Convert to fraction form
    3,423.54/5,134.14 = 1,114.50/x
  3. Step 3: Cross multiply
    3,423.54x = 5,134.14 × 1,114.50
  4. Step 4: Simplify right side
    3,423.54x = 5,721,999.03
  5. Step 5: Solve for x
    x = 5,721,999.03/3,423.54
  6. Step 6: Final answer
    x = 1,671.37

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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.