Home / 2,389.23-3,579.82-1,692.52

Finding the Fourth Proportional to 2,389.23, 3,579.82 and 1,692.52

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Solution

The fourth proportional to 2,389.23, 3,579.82 and 1,692.52 is: 2,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.23 : 3,579.82 = 1,692.52 : x
  2. Step 2: Convert to fraction form
    2,389.23/3,579.82 = 1,692.52/x
  3. Step 3: Cross multiply
    2,389.23x = 3,579.82 × 1,692.52
  4. Step 4: Simplify right side
    2,389.23x = 6,058,903.77
  5. Step 5: Solve for x
    x = 6,058,903.77/2,389.23
  6. Step 6: Final answer
    x = 2,535.92

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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.