Home / 3,424.16-5,133.16-1,231.35

Finding the Fourth Proportional to 3,424.16, 5,133.16 and 1,231.35

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Solution

The fourth proportional to 3,424.16, 5,133.16 and 1,231.35 is: 1,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.16 : 5,133.16 = 1,231.35 : x
  2. Step 2: Convert to fraction form
    3,424.16/5,133.16 = 1,231.35/x
  3. Step 3: Cross multiply
    3,424.16x = 5,133.16 × 1,231.35
  4. Step 4: Simplify right side
    3,424.16x = 6,320,684.74
  5. Step 5: Solve for x
    x = 6,320,684.74/3,424.16
  6. Step 6: Final answer
    x = 1,845.91

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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.