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Finding the Fourth Proportional to 1,866.30, 2,793.69 and 1,823.10

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Solution

The fourth proportional to 1,866.30, 2,793.69 and 1,823.10 is: 2,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.30 : 2,793.69 = 1,823.10 : x
  2. Step 2: Convert to fraction form
    1,866.30/2,793.69 = 1,823.10/x
  3. Step 3: Cross multiply
    1,866.30x = 2,793.69 × 1,823.10
  4. Step 4: Simplify right side
    1,866.30x = 5,093,176.24
  5. Step 5: Solve for x
    x = 5,093,176.24/1,866.30
  6. Step 6: Final answer
    x = 2,729.02

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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.