Home / 3,297.61-4,946.90-1,075.72

Finding the Fourth Proportional to 3,297.61, 4,946.90 and 1,075.72

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Solution

The fourth proportional to 3,297.61, 4,946.90 and 1,075.72 is: 1,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.61 : 4,946.90 = 1,075.72 : x
  2. Step 2: Convert to fraction form
    3,297.61/4,946.90 = 1,075.72/x
  3. Step 3: Cross multiply
    3,297.61x = 4,946.90 × 1,075.72
  4. Step 4: Simplify right side
    3,297.61x = 5,321,449.15
  5. Step 5: Solve for x
    x = 5,321,449.15/3,297.61
  6. Step 6: Final answer
    x = 1,613.73

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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.