Home / 3,217.58-4,827.45-1,268.72

Finding the Fourth Proportional to 3,217.58, 4,827.45 and 1,268.72

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Solution

The fourth proportional to 3,217.58, 4,827.45 and 1,268.72 is: 1,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.58 : 4,827.45 = 1,268.72 : x
  2. Step 2: Convert to fraction form
    3,217.58/4,827.45 = 1,268.72/x
  3. Step 3: Cross multiply
    3,217.58x = 4,827.45 × 1,268.72
  4. Step 4: Simplify right side
    3,217.58x = 6,124,676.02
  5. Step 5: Solve for x
    x = 6,124,676.02/3,217.58
  6. Step 6: Final answer
    x = 1,903.50

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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.