Home / 2,692.10-4,031.66-1,823.78

Finding the Fourth Proportional to 2,692.10, 4,031.66 and 1,823.78

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Solution

The fourth proportional to 2,692.10, 4,031.66 and 1,823.78 is: 2,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.10 : 4,031.66 = 1,823.78 : x
  2. Step 2: Convert to fraction form
    2,692.10/4,031.66 = 1,823.78/x
  3. Step 3: Cross multiply
    2,692.10x = 4,031.66 × 1,823.78
  4. Step 4: Simplify right side
    2,692.10x = 7,352,860.87
  5. Step 5: Solve for x
    x = 7,352,860.87/2,692.10
  6. Step 6: Final answer
    x = 2,731.27

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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.