Home / 2,826.86-4,242.88-1,441.20

Finding the Fourth Proportional to 2,826.86, 4,242.88 and 1,441.20

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Solution

The fourth proportional to 2,826.86, 4,242.88 and 1,441.20 is: 2,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.86 : 4,242.88 = 1,441.20 : x
  2. Step 2: Convert to fraction form
    2,826.86/4,242.88 = 1,441.20/x
  3. Step 3: Cross multiply
    2,826.86x = 4,242.88 × 1,441.20
  4. Step 4: Simplify right side
    2,826.86x = 6,114,838.66
  5. Step 5: Solve for x
    x = 6,114,838.66/2,826.86
  6. Step 6: Final answer
    x = 2,163.12

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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.