Home / 3,571.03-5,355.73-1,379.17

Finding the Fourth Proportional to 3,571.03, 5,355.73 and 1,379.17

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Solution

The fourth proportional to 3,571.03, 5,355.73 and 1,379.17 is: 2,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.03 : 5,355.73 = 1,379.17 : x
  2. Step 2: Convert to fraction form
    3,571.03/5,355.73 = 1,379.17/x
  3. Step 3: Cross multiply
    3,571.03x = 5,355.73 × 1,379.17
  4. Step 4: Simplify right side
    3,571.03x = 7,386,462.14
  5. Step 5: Solve for x
    x = 7,386,462.14/3,571.03
  6. Step 6: Final answer
    x = 2,068.44

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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.