Home / 2,268.35-3,130.23-1,324.19

Finding the Fourth Proportional to 2,268.35, 3,130.23 and 1,324.19

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Solution

The fourth proportional to 2,268.35, 3,130.23 and 1,324.19 is: 1,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.35 : 3,130.23 = 1,324.19 : x
  2. Step 2: Convert to fraction form
    2,268.35/3,130.23 = 1,324.19/x
  3. Step 3: Cross multiply
    2,268.35x = 3,130.23 × 1,324.19
  4. Step 4: Simplify right side
    2,268.35x = 4,145,019.26
  5. Step 5: Solve for x
    x = 4,145,019.26/2,268.35
  6. Step 6: Final answer
    x = 1,827.33

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Half scale
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Double scale
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Similar ratio
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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.