Home / 3,367.13-5,048.77-1,420.70

Finding the Fourth Proportional to 3,367.13, 5,048.77 and 1,420.70

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Solution

The fourth proportional to 3,367.13, 5,048.77 and 1,420.70 is: 2,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.13 : 5,048.77 = 1,420.70 : x
  2. Step 2: Convert to fraction form
    3,367.13/5,048.77 = 1,420.70/x
  3. Step 3: Cross multiply
    3,367.13x = 5,048.77 × 1,420.70
  4. Step 4: Simplify right side
    3,367.13x = 7,172,787.54
  5. Step 5: Solve for x
    x = 7,172,787.54/3,367.13
  6. Step 6: Final answer
    x = 2,130.24

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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.