Home / 3,149.12-4,723.64-1,068.56

Finding the Fourth Proportional to 3,149.12, 4,723.64 and 1,068.56

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Solution

The fourth proportional to 3,149.12, 4,723.64 and 1,068.56 is: 1,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.12 : 4,723.64 = 1,068.56 : x
  2. Step 2: Convert to fraction form
    3,149.12/4,723.64 = 1,068.56/x
  3. Step 3: Cross multiply
    3,149.12x = 4,723.64 × 1,068.56
  4. Step 4: Simplify right side
    3,149.12x = 5,047,492.76
  5. Step 5: Solve for x
    x = 5,047,492.76/3,149.12
  6. Step 6: Final answer
    x = 1,602.83

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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.