Home / 3,218.15-4,827.23-1,137.02

Finding the Fourth Proportional to 3,218.15, 4,827.23 and 1,137.02

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Solution

The fourth proportional to 3,218.15, 4,827.23 and 1,137.02 is: 1,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.15 : 4,827.23 = 1,137.02 : x
  2. Step 2: Convert to fraction form
    3,218.15/4,827.23 = 1,137.02/x
  3. Step 3: Cross multiply
    3,218.15x = 4,827.23 × 1,137.02
  4. Step 4: Simplify right side
    3,218.15x = 5,488,635.76
  5. Step 5: Solve for x
    x = 5,488,635.76/3,218.15
  6. Step 6: Final answer
    x = 1,705.52

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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.