Home / 3,211.47-4,814.29-1,235.84

Finding the Fourth Proportional to 3,211.47, 4,814.29 and 1,235.84

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Solution

The fourth proportional to 3,211.47, 4,814.29 and 1,235.84 is: 1,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.47 : 4,814.29 = 1,235.84 : x
  2. Step 2: Convert to fraction form
    3,211.47/4,814.29 = 1,235.84/x
  3. Step 3: Cross multiply
    3,211.47x = 4,814.29 × 1,235.84
  4. Step 4: Simplify right side
    3,211.47x = 5,949,689.06
  5. Step 5: Solve for x
    x = 5,949,689.06/3,211.47
  6. Step 6: Final answer
    x = 1,852.64

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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.