Home / 3,574.08-5,361.62-1,109.09

Finding the Fourth Proportional to 3,574.08, 5,361.62 and 1,109.09

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Solution

The fourth proportional to 3,574.08, 5,361.62 and 1,109.09 is: 1,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.08 : 5,361.62 = 1,109.09 : x
  2. Step 2: Convert to fraction form
    3,574.08/5,361.62 = 1,109.09/x
  3. Step 3: Cross multiply
    3,574.08x = 5,361.62 × 1,109.09
  4. Step 4: Simplify right side
    3,574.08x = 5,946,526.98
  5. Step 5: Solve for x
    x = 5,946,526.98/3,574.08
  6. Step 6: Final answer
    x = 1,663.79

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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.