Home / 2,826.56-4,239.68-2,047.36

Finding the Fourth Proportional to 2,826.56, 4,239.68 and 2,047.36

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Solution

The fourth proportional to 2,826.56, 4,239.68 and 2,047.36 is: 3,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.56 : 4,239.68 = 2,047.36 : x
  2. Step 2: Convert to fraction form
    2,826.56/4,239.68 = 2,047.36/x
  3. Step 3: Cross multiply
    2,826.56x = 4,239.68 × 2,047.36
  4. Step 4: Simplify right side
    2,826.56x = 8,680,151.24
  5. Step 5: Solve for x
    x = 8,680,151.24/2,826.56
  6. Step 6: Final answer
    x = 3,070.92

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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.