Home / 3,379.98-5,065.36-2,145.18

Finding the Fourth Proportional to 3,379.98, 5,065.36 and 2,145.18

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Solution

The fourth proportional to 3,379.98, 5,065.36 and 2,145.18 is: 3,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.98 : 5,065.36 = 2,145.18 : x
  2. Step 2: Convert to fraction form
    3,379.98/5,065.36 = 2,145.18/x
  3. Step 3: Cross multiply
    3,379.98x = 5,065.36 × 2,145.18
  4. Step 4: Simplify right side
    3,379.98x = 10,866,108.96
  5. Step 5: Solve for x
    x = 10,866,108.96/3,379.98
  6. Step 6: Final answer
    x = 3,214.84

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1.5x scale

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.