Home / 3,619.34-5,429.01-1,022.28

Finding the Fourth Proportional to 3,619.34, 5,429.01 and 1,022.28

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Solution

The fourth proportional to 3,619.34, 5,429.01 and 1,022.28 is: 1,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.34 : 5,429.01 = 1,022.28 : x
  2. Step 2: Convert to fraction form
    3,619.34/5,429.01 = 1,022.28/x
  3. Step 3: Cross multiply
    3,619.34x = 5,429.01 × 1,022.28
  4. Step 4: Simplify right side
    3,619.34x = 5,549,964.51
  5. Step 5: Solve for x
    x = 5,549,964.51/3,619.34
  6. Step 6: Final answer
    x = 1,533.42

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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.