Home / 1,836.63-2,748.78-1,684.89

Finding the Fourth Proportional to 1,836.63, 2,748.78 and 1,684.89

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Solution

The fourth proportional to 1,836.63, 2,748.78 and 1,684.89 is: 2,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.63 : 2,748.78 = 1,684.89 : x
  2. Step 2: Convert to fraction form
    1,836.63/2,748.78 = 1,684.89/x
  3. Step 3: Cross multiply
    1,836.63x = 2,748.78 × 1,684.89
  4. Step 4: Simplify right side
    1,836.63x = 4,631,391.93
  5. Step 5: Solve for x
    x = 4,631,391.93/1,836.63
  6. Step 6: Final answer
    x = 2,521.68

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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.