Home / 3,574.24-5,361.36-1,109

Finding the Fourth Proportional to 3,574.24, 5,361.36 and 1,109

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Solution

The fourth proportional to 3,574.24, 5,361.36 and 1,109 is: 1,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.24 : 5,361.36 = 1,109 : x
  2. Step 2: Convert to fraction form
    3,574.24/5,361.36 = 1,109/x
  3. Step 3: Cross multiply
    3,574.24x = 5,361.36 × 1,109
  4. Step 4: Simplify right side
    3,574.24x = 5,945,748.24
  5. Step 5: Solve for x
    x = 5,945,748.24/3,574.24
  6. Step 6: Final answer
    x = 1,663.50

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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.