Home / 2,355.75-3,251.04-1,307.81

Finding the Fourth Proportional to 2,355.75, 3,251.04 and 1,307.81

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Solution

The fourth proportional to 2,355.75, 3,251.04 and 1,307.81 is: 1,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.75 : 3,251.04 = 1,307.81 : x
  2. Step 2: Convert to fraction form
    2,355.75/3,251.04 = 1,307.81/x
  3. Step 3: Cross multiply
    2,355.75x = 3,251.04 × 1,307.81
  4. Step 4: Simplify right side
    2,355.75x = 4,251,745.85
  5. Step 5: Solve for x
    x = 4,251,745.85/2,355.75
  6. Step 6: Final answer
    x = 1,804.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.