Home / 3,212.27-4,818.39-1,457.88

Finding the Fourth Proportional to 3,212.27, 4,818.39 and 1,457.88

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Solution

The fourth proportional to 3,212.27, 4,818.39 and 1,457.88 is: 2,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.27 : 4,818.39 = 1,457.88 : x
  2. Step 2: Convert to fraction form
    3,212.27/4,818.39 = 1,457.88/x
  3. Step 3: Cross multiply
    3,212.27x = 4,818.39 × 1,457.88
  4. Step 4: Simplify right side
    3,212.27x = 7,024,610.88
  5. Step 5: Solve for x
    x = 7,024,610.88/3,212.27
  6. Step 6: Final answer
    x = 2,186.81

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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.