Home / 3,491.46-5,235.84-1,299.69

Finding the Fourth Proportional to 3,491.46, 5,235.84 and 1,299.69

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Solution

The fourth proportional to 3,491.46, 5,235.84 and 1,299.69 is: 1,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.46 : 5,235.84 = 1,299.69 : x
  2. Step 2: Convert to fraction form
    3,491.46/5,235.84 = 1,299.69/x
  3. Step 3: Cross multiply
    3,491.46x = 5,235.84 × 1,299.69
  4. Step 4: Simplify right side
    3,491.46x = 6,804,968.89
  5. Step 5: Solve for x
    x = 6,804,968.89/3,491.46
  6. Step 6: Final answer
    x = 1,949.03

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1.5x scale

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.