Home / 2,384.12-3,290.09-1,336.18

Finding the Fourth Proportional to 2,384.12, 3,290.09 and 1,336.18

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Solution

The fourth proportional to 2,384.12, 3,290.09 and 1,336.18 is: 1,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.12 : 3,290.09 = 1,336.18 : x
  2. Step 2: Convert to fraction form
    2,384.12/3,290.09 = 1,336.18/x
  3. Step 3: Cross multiply
    2,384.12x = 3,290.09 × 1,336.18
  4. Step 4: Simplify right side
    2,384.12x = 4,396,152.46
  5. Step 5: Solve for x
    x = 4,396,152.46/2,384.12
  6. Step 6: Final answer
    x = 1,843.93

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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.