Home / 3,619.70-5,429.73-1,022.30

Finding the Fourth Proportional to 3,619.70, 5,429.73 and 1,022.30

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Solution

The fourth proportional to 3,619.70, 5,429.73 and 1,022.30 is: 1,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.70 : 5,429.73 = 1,022.30 : x
  2. Step 2: Convert to fraction form
    3,619.70/5,429.73 = 1,022.30/x
  3. Step 3: Cross multiply
    3,619.70x = 5,429.73 × 1,022.30
  4. Step 4: Simplify right side
    3,619.70x = 5,550,812.98
  5. Step 5: Solve for x
    x = 5,550,812.98/3,619.70
  6. Step 6: Final answer
    x = 1,533.50

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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.