Home / 2,331.08-3,216.53-1,336.22

Finding the Fourth Proportional to 2,331.08, 3,216.53 and 1,336.22

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Solution

The fourth proportional to 2,331.08, 3,216.53 and 1,336.22 is: 1,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.08 : 3,216.53 = 1,336.22 : x
  2. Step 2: Convert to fraction form
    2,331.08/3,216.53 = 1,336.22/x
  3. Step 3: Cross multiply
    2,331.08x = 3,216.53 × 1,336.22
  4. Step 4: Simplify right side
    2,331.08x = 4,297,985.04
  5. Step 5: Solve for x
    x = 4,297,985.04/2,331.08
  6. Step 6: Final answer
    x = 1,843.77

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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.