Home / 2,922.15-4,389.84-1,692.57

Finding the Fourth Proportional to 2,922.15, 4,389.84 and 1,692.57

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Solution

The fourth proportional to 2,922.15, 4,389.84 and 1,692.57 is: 2,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.15 : 4,389.84 = 1,692.57 : x
  2. Step 2: Convert to fraction form
    2,922.15/4,389.84 = 1,692.57/x
  3. Step 3: Cross multiply
    2,922.15x = 4,389.84 × 1,692.57
  4. Step 4: Simplify right side
    2,922.15x = 7,430,111.49
  5. Step 5: Solve for x
    x = 7,430,111.49/2,922.15
  6. Step 6: Final answer
    x = 2,542.69

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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.