Home / 3,788.53-5,228.58-2,217.94

Finding the Fourth Proportional to 3,788.53, 5,228.58 and 2,217.94

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Solution

The fourth proportional to 3,788.53, 5,228.58 and 2,217.94 is: 3,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.53 : 5,228.58 = 2,217.94 : x
  2. Step 2: Convert to fraction form
    3,788.53/5,228.58 = 2,217.94/x
  3. Step 3: Cross multiply
    3,788.53x = 5,228.58 × 2,217.94
  4. Step 4: Simplify right side
    3,788.53x = 11,596,676.73
  5. Step 5: Solve for x
    x = 11,596,676.73/3,788.53
  6. Step 6: Final answer
    x = 3,061.00

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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.