Home / 3,218.85-4,827.35-1,462.88

Finding the Fourth Proportional to 3,218.85, 4,827.35 and 1,462.88

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Solution

The fourth proportional to 3,218.85, 4,827.35 and 1,462.88 is: 2,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.85 : 4,827.35 = 1,462.88 : x
  2. Step 2: Convert to fraction form
    3,218.85/4,827.35 = 1,462.88/x
  3. Step 3: Cross multiply
    3,218.85x = 4,827.35 × 1,462.88
  4. Step 4: Simplify right side
    3,218.85x = 7,061,802.32
  5. Step 5: Solve for x
    x = 7,061,802.32/3,218.85
  6. Step 6: Final answer
    x = 2,193.89

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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.