Home / 3,068.55-4,606.84-1,821.42

Finding the Fourth Proportional to 3,068.55, 4,606.84 and 1,821.42

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Solution

The fourth proportional to 3,068.55, 4,606.84 and 1,821.42 is: 2,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.55 : 4,606.84 = 1,821.42 : x
  2. Step 2: Convert to fraction form
    3,068.55/4,606.84 = 1,821.42/x
  3. Step 3: Cross multiply
    3,068.55x = 4,606.84 × 1,821.42
  4. Step 4: Simplify right side
    3,068.55x = 8,390,992.79
  5. Step 5: Solve for x
    x = 8,390,992.79/3,068.55
  6. Step 6: Final answer
    x = 2,734.51

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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.