Home / 2,826.48-4,239.72-1,672.56

Finding the Fourth Proportional to 2,826.48, 4,239.72 and 1,672.56

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Solution

The fourth proportional to 2,826.48, 4,239.72 and 1,672.56 is: 2,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.48 : 4,239.72 = 1,672.56 : x
  2. Step 2: Convert to fraction form
    2,826.48/4,239.72 = 1,672.56/x
  3. Step 3: Cross multiply
    2,826.48x = 4,239.72 × 1,672.56
  4. Step 4: Simplify right side
    2,826.48x = 7,091,186.08
  5. Step 5: Solve for x
    x = 7,091,186.08/2,826.48
  6. Step 6: Final answer
    x = 2,508.84

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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.