Home / 2,384.19-3,290.13-1,336.28

Finding the Fourth Proportional to 2,384.19, 3,290.13 and 1,336.28

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Solution

The fourth proportional to 2,384.19, 3,290.13 and 1,336.28 is: 1,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.19 : 3,290.13 = 1,336.28 : x
  2. Step 2: Convert to fraction form
    2,384.19/3,290.13 = 1,336.28/x
  3. Step 3: Cross multiply
    2,384.19x = 3,290.13 × 1,336.28
  4. Step 4: Simplify right side
    2,384.19x = 4,396,518.47
  5. Step 5: Solve for x
    x = 4,396,518.47/2,384.19
  6. Step 6: Final answer
    x = 1,844.03

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Half scale
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Double scale
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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.