Home / 3,574.80-5,361.36-1,266.28

Finding the Fourth Proportional to 3,574.80, 5,361.36 and 1,266.28

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Solution

The fourth proportional to 3,574.80, 5,361.36 and 1,266.28 is: 1,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.80 : 5,361.36 = 1,266.28 : x
  2. Step 2: Convert to fraction form
    3,574.80/5,361.36 = 1,266.28/x
  3. Step 3: Cross multiply
    3,574.80x = 5,361.36 × 1,266.28
  4. Step 4: Simplify right side
    3,574.80x = 6,788,982.94
  5. Step 5: Solve for x
    x = 6,788,982.94/3,574.80
  6. Step 6: Final answer
    x = 1,899.12

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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.