Home / 2,384.20-3,290.18-1,336.26

Finding the Fourth Proportional to 2,384.20, 3,290.18 and 1,336.26

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Solution

The fourth proportional to 2,384.20, 3,290.18 and 1,336.26 is: 1,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.20 : 3,290.18 = 1,336.26 : x
  2. Step 2: Convert to fraction form
    2,384.20/3,290.18 = 1,336.26/x
  3. Step 3: Cross multiply
    2,384.20x = 3,290.18 × 1,336.26
  4. Step 4: Simplify right side
    2,384.20x = 4,396,535.93
  5. Step 5: Solve for x
    x = 4,396,535.93/2,384.20
  6. Step 6: Final answer
    x = 1,844.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.