Home / 3,569.81-5,355.99-1,105.25

Finding the Fourth Proportional to 3,569.81, 5,355.99 and 1,105.25

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Solution

The fourth proportional to 3,569.81, 5,355.99 and 1,105.25 is: 1,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.81 : 5,355.99 = 1,105.25 : x
  2. Step 2: Convert to fraction form
    3,569.81/5,355.99 = 1,105.25/x
  3. Step 3: Cross multiply
    3,569.81x = 5,355.99 × 1,105.25
  4. Step 4: Simplify right side
    3,569.81x = 5,919,681.17
  5. Step 5: Solve for x
    x = 5,919,681.17/3,569.81
  6. Step 6: Final answer
    x = 1,658.26

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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.