Home / 3,021.12-4,531.37-1,377.23

Finding the Fourth Proportional to 3,021.12, 4,531.37 and 1,377.23

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Solution

The fourth proportional to 3,021.12, 4,531.37 and 1,377.23 is: 2,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.12 : 4,531.37 = 1,377.23 : x
  2. Step 2: Convert to fraction form
    3,021.12/4,531.37 = 1,377.23/x
  3. Step 3: Cross multiply
    3,021.12x = 4,531.37 × 1,377.23
  4. Step 4: Simplify right side
    3,021.12x = 6,240,709.16
  5. Step 5: Solve for x
    x = 6,240,709.16/3,021.12
  6. Step 6: Final answer
    x = 2,065.69

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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.