Home / 2,826.98-4,239.80-1,182.64

Finding the Fourth Proportional to 2,826.98, 4,239.80 and 1,182.64

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Solution

The fourth proportional to 2,826.98, 4,239.80 and 1,182.64 is: 1,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.98 : 4,239.80 = 1,182.64 : x
  2. Step 2: Convert to fraction form
    2,826.98/4,239.80 = 1,182.64/x
  3. Step 3: Cross multiply
    2,826.98x = 4,239.80 × 1,182.64
  4. Step 4: Simplify right side
    2,826.98x = 5,014,157.07
  5. Step 5: Solve for x
    x = 5,014,157.07/2,826.98
  6. Step 6: Final answer
    x = 1,773.68

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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.