Home / 3,574.65-5,361.75-1,109.28

Finding the Fourth Proportional to 3,574.65, 5,361.75 and 1,109.28

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Solution

The fourth proportional to 3,574.65, 5,361.75 and 1,109.28 is: 1,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.65 : 5,361.75 = 1,109.28 : x
  2. Step 2: Convert to fraction form
    3,574.65/5,361.75 = 1,109.28/x
  3. Step 3: Cross multiply
    3,574.65x = 5,361.75 × 1,109.28
  4. Step 4: Simplify right side
    3,574.65x = 5,947,682.04
  5. Step 5: Solve for x
    x = 5,947,682.04/3,574.65
  6. Step 6: Final answer
    x = 1,663.85

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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.