Home / 2,332.24-3,218.96-1,338.19

Finding the Fourth Proportional to 2,332.24, 3,218.96 and 1,338.19

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Solution

The fourth proportional to 2,332.24, 3,218.96 and 1,338.19 is: 1,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.24 : 3,218.96 = 1,338.19 : x
  2. Step 2: Convert to fraction form
    2,332.24/3,218.96 = 1,338.19/x
  3. Step 3: Cross multiply
    2,332.24x = 3,218.96 × 1,338.19
  4. Step 4: Simplify right side
    2,332.24x = 4,307,580.08
  5. Step 5: Solve for x
    x = 4,307,580.08/2,332.24
  6. Step 6: Final answer
    x = 1,846.97

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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.