Home / 3,450.02-5,175.05-852.98

Finding the Fourth Proportional to 3,450.02, 5,175.05 and 852.98

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Solution

The fourth proportional to 3,450.02, 5,175.05 and 852.98 is: 1,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.02 : 5,175.05 = 852.98 : x
  2. Step 2: Convert to fraction form
    3,450.02/5,175.05 = 852.98/x
  3. Step 3: Cross multiply
    3,450.02x = 5,175.05 × 852.98
  4. Step 4: Simplify right side
    3,450.02x = 4,414,184.01
  5. Step 5: Solve for x
    x = 4,414,184.01/3,450.02
  6. Step 6: Final answer
    x = 1,279.47

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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.