Home / 3,450.02-5,175.74-1,110.20

Finding the Fourth Proportional to 3,450.02, 5,175.74 and 1,110.20

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Solution

The fourth proportional to 3,450.02, 5,175.74 and 1,110.20 is: 1,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.02 : 5,175.74 = 1,110.20 : x
  2. Step 2: Convert to fraction form
    3,450.02/5,175.74 = 1,110.20/x
  3. Step 3: Cross multiply
    3,450.02x = 5,175.74 × 1,110.20
  4. Step 4: Simplify right side
    3,450.02x = 5,746,075.12
  5. Step 5: Solve for x
    x = 5,746,075.12/3,450.02
  6. Step 6: Final answer
    x = 1,665.52

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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.