Home / 2,748.16-3,788.64-2,326.84

Finding the Fourth Proportional to 2,748.16, 3,788.64 and 2,326.84

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Solution

The fourth proportional to 2,748.16, 3,788.64 and 2,326.84 is: 3,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.16 : 3,788.64 = 2,326.84 : x
  2. Step 2: Convert to fraction form
    2,748.16/3,788.64 = 2,326.84/x
  3. Step 3: Cross multiply
    2,748.16x = 3,788.64 × 2,326.84
  4. Step 4: Simplify right side
    2,748.16x = 8,815,559.10
  5. Step 5: Solve for x
    x = 8,815,559.10/2,748.16
  6. Step 6: Final answer
    x = 3,207.80

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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.