Home / 3,458.70-5,184.21-2,073.90

Finding the Fourth Proportional to 3,458.70, 5,184.21 and 2,073.90

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Solution

The fourth proportional to 3,458.70, 5,184.21 and 2,073.90 is: 3,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.70 : 5,184.21 = 2,073.90 : x
  2. Step 2: Convert to fraction form
    3,458.70/5,184.21 = 2,073.90/x
  3. Step 3: Cross multiply
    3,458.70x = 5,184.21 × 2,073.90
  4. Step 4: Simplify right side
    3,458.70x = 10,751,533.12
  5. Step 5: Solve for x
    x = 10,751,533.12/3,458.70
  6. Step 6: Final answer
    x = 3,108.55

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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.