Home / 2,613.25-3,918.05-1,226.33

Finding the Fourth Proportional to 2,613.25, 3,918.05 and 1,226.33

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Solution

The fourth proportional to 2,613.25, 3,918.05 and 1,226.33 is: 1,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.25 : 3,918.05 = 1,226.33 : x
  2. Step 2: Convert to fraction form
    2,613.25/3,918.05 = 1,226.33/x
  3. Step 3: Cross multiply
    2,613.25x = 3,918.05 × 1,226.33
  4. Step 4: Simplify right side
    2,613.25x = 4,804,822.26
  5. Step 5: Solve for x
    x = 4,804,822.26/2,613.25
  6. Step 6: Final answer
    x = 1,838.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.