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Finding the Fourth Proportional to 4,679, 7,019.58 and 1,601

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Solution

The fourth proportional to 4,679, 7,019.58 and 1,601 is: 2,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679 : 7,019.58 = 1,601 : x
  2. Step 2: Convert to fraction form
    4,679/7,019.58 = 1,601/x
  3. Step 3: Cross multiply
    4,679x = 7,019.58 × 1,601
  4. Step 4: Simplify right side
    4,679x = 11,238,347.58
  5. Step 5: Solve for x
    x = 11,238,347.58/4,679
  6. Step 6: Final answer
    x = 2,401.87

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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.