Home / 3,547.99-5,321.78-1,355.73

Finding the Fourth Proportional to 3,547.99, 5,321.78 and 1,355.73

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Solution

The fourth proportional to 3,547.99, 5,321.78 and 1,355.73 is: 2,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.99 : 5,321.78 = 1,355.73 : x
  2. Step 2: Convert to fraction form
    3,547.99/5,321.78 = 1,355.73/x
  3. Step 3: Cross multiply
    3,547.99x = 5,321.78 × 1,355.73
  4. Step 4: Simplify right side
    3,547.99x = 7,214,896.80
  5. Step 5: Solve for x
    x = 7,214,896.80/3,547.99
  6. Step 6: Final answer
    x = 2,033.52

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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.