Home / 3,235.82-4,852.98-1,387.81

Finding the Fourth Proportional to 3,235.82, 4,852.98 and 1,387.81

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Solution

The fourth proportional to 3,235.82, 4,852.98 and 1,387.81 is: 2,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.82 : 4,852.98 = 1,387.81 : x
  2. Step 2: Convert to fraction form
    3,235.82/4,852.98 = 1,387.81/x
  3. Step 3: Cross multiply
    3,235.82x = 4,852.98 × 1,387.81
  4. Step 4: Simplify right side
    3,235.82x = 6,735,014.17
  5. Step 5: Solve for x
    x = 6,735,014.17/3,235.82
  6. Step 6: Final answer
    x = 2,081.39

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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.