Home / 3,619.05-5,426.55-1,668.84

Finding the Fourth Proportional to 3,619.05, 5,426.55 and 1,668.84

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Solution

The fourth proportional to 3,619.05, 5,426.55 and 1,668.84 is: 2,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.05 : 5,426.55 = 1,668.84 : x
  2. Step 2: Convert to fraction form
    3,619.05/5,426.55 = 1,668.84/x
  3. Step 3: Cross multiply
    3,619.05x = 5,426.55 × 1,668.84
  4. Step 4: Simplify right side
    3,619.05x = 9,056,043.70
  5. Step 5: Solve for x
    x = 9,056,043.70/3,619.05
  6. Step 6: Final answer
    x = 2,502.33

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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.