Home / 3,089.79-4,264.01-1,692.54

Finding the Fourth Proportional to 3,089.79, 4,264.01 and 1,692.54

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Solution

The fourth proportional to 3,089.79, 4,264.01 and 1,692.54 is: 2,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.79 : 4,264.01 = 1,692.54 : x
  2. Step 2: Convert to fraction form
    3,089.79/4,264.01 = 1,692.54/x
  3. Step 3: Cross multiply
    3,089.79x = 4,264.01 × 1,692.54
  4. Step 4: Simplify right side
    3,089.79x = 7,217,007.49
  5. Step 5: Solve for x
    x = 7,217,007.49/3,089.79
  6. Step 6: Final answer
    x = 2,335.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.