Home / 3,434.65-5,150.77-1,212.91

Finding the Fourth Proportional to 3,434.65, 5,150.77 and 1,212.91

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Solution

The fourth proportional to 3,434.65, 5,150.77 and 1,212.91 is: 1,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.65 : 5,150.77 = 1,212.91 : x
  2. Step 2: Convert to fraction form
    3,434.65/5,150.77 = 1,212.91/x
  3. Step 3: Cross multiply
    3,434.65x = 5,150.77 × 1,212.91
  4. Step 4: Simplify right side
    3,434.65x = 6,247,420.44
  5. Step 5: Solve for x
    x = 6,247,420.44/3,434.65
  6. Step 6: Final answer
    x = 1,818.94

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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.