Home / 2,830.56-4,243.90-1,441.21

Finding the Fourth Proportional to 2,830.56, 4,243.90 and 1,441.21

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Solution

The fourth proportional to 2,830.56, 4,243.90 and 1,441.21 is: 2,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.56 : 4,243.90 = 1,441.21 : x
  2. Step 2: Convert to fraction form
    2,830.56/4,243.90 = 1,441.21/x
  3. Step 3: Cross multiply
    2,830.56x = 4,243.90 × 1,441.21
  4. Step 4: Simplify right side
    2,830.56x = 6,116,344.11
  5. Step 5: Solve for x
    x = 6,116,344.11/2,830.56
  6. Step 6: Final answer
    x = 2,160.82

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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.