Home / 2,826.55-4,242.43-1,440.88

Finding the Fourth Proportional to 2,826.55, 4,242.43 and 1,440.88

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Solution

The fourth proportional to 2,826.55, 4,242.43 and 1,440.88 is: 2,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.55 : 4,242.43 = 1,440.88 : x
  2. Step 2: Convert to fraction form
    2,826.55/4,242.43 = 1,440.88/x
  3. Step 3: Cross multiply
    2,826.55x = 4,242.43 × 1,440.88
  4. Step 4: Simplify right side
    2,826.55x = 6,112,832.54
  5. Step 5: Solve for x
    x = 6,112,832.54/2,826.55
  6. Step 6: Final answer
    x = 2,162.65

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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.