Home / 3,450.04-5,175.42-1,109.50

Finding the Fourth Proportional to 3,450.04, 5,175.42 and 1,109.50

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Solution

The fourth proportional to 3,450.04, 5,175.42 and 1,109.50 is: 1,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.04 : 5,175.42 = 1,109.50 : x
  2. Step 2: Convert to fraction form
    3,450.04/5,175.42 = 1,109.50/x
  3. Step 3: Cross multiply
    3,450.04x = 5,175.42 × 1,109.50
  4. Step 4: Simplify right side
    3,450.04x = 5,742,128.49
  5. Step 5: Solve for x
    x = 5,742,128.49/3,450.04
  6. Step 6: Final answer
    x = 1,664.37

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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.