Home / 3,084.75-4,626.65-1,235.39

Finding the Fourth Proportional to 3,084.75, 4,626.65 and 1,235.39

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Solution

The fourth proportional to 3,084.75, 4,626.65 and 1,235.39 is: 1,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.75 : 4,626.65 = 1,235.39 : x
  2. Step 2: Convert to fraction form
    3,084.75/4,626.65 = 1,235.39/x
  3. Step 3: Cross multiply
    3,084.75x = 4,626.65 × 1,235.39
  4. Step 4: Simplify right side
    3,084.75x = 5,715,697.10
  5. Step 5: Solve for x
    x = 5,715,697.10/3,084.75
  6. Step 6: Final answer
    x = 1,852.89

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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.