Home / 3,619.03-5,428.94-1,153.27

Finding the Fourth Proportional to 3,619.03, 5,428.94 and 1,153.27

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Solution

The fourth proportional to 3,619.03, 5,428.94 and 1,153.27 is: 1,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.03 : 5,428.94 = 1,153.27 : x
  2. Step 2: Convert to fraction form
    3,619.03/5,428.94 = 1,153.27/x
  3. Step 3: Cross multiply
    3,619.03x = 5,428.94 × 1,153.27
  4. Step 4: Simplify right side
    3,619.03x = 6,261,033.63
  5. Step 5: Solve for x
    x = 6,261,033.63/3,619.03
  6. Step 6: Final answer
    x = 1,730.03

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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.