Home / 1,604.20-2,394.80-1,489.99

Finding the Fourth Proportional to 1,604.20, 2,394.80 and 1,489.99

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Solution

The fourth proportional to 1,604.20, 2,394.80 and 1,489.99 is: 2,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.20 : 2,394.80 = 1,489.99 : x
  2. Step 2: Convert to fraction form
    1,604.20/2,394.80 = 1,489.99/x
  3. Step 3: Cross multiply
    1,604.20x = 2,394.80 × 1,489.99
  4. Step 4: Simplify right side
    1,604.20x = 3,568,228.05
  5. Step 5: Solve for x
    x = 3,568,228.05/1,604.20
  6. Step 6: Final answer
    x = 2,224.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.