Home / 1,907.20-2,864.46-1,692.64

Finding the Fourth Proportional to 1,907.20, 2,864.46 and 1,692.64

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Solution

The fourth proportional to 1,907.20, 2,864.46 and 1,692.64 is: 2,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.20 : 2,864.46 = 1,692.64 : x
  2. Step 2: Convert to fraction form
    1,907.20/2,864.46 = 1,692.64/x
  3. Step 3: Cross multiply
    1,907.20x = 2,864.46 × 1,692.64
  4. Step 4: Simplify right side
    1,907.20x = 4,848,499.57
  5. Step 5: Solve for x
    x = 4,848,499.57/1,907.20
  6. Step 6: Final answer
    x = 2,542.21

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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.