Home / 3,006.10-4,148.47-1,679.89

Finding the Fourth Proportional to 3,006.10, 4,148.47 and 1,679.89

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Solution

The fourth proportional to 3,006.10, 4,148.47 and 1,679.89 is: 2,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.10 : 4,148.47 = 1,679.89 : x
  2. Step 2: Convert to fraction form
    3,006.10/4,148.47 = 1,679.89/x
  3. Step 3: Cross multiply
    3,006.10x = 4,148.47 × 1,679.89
  4. Step 4: Simplify right side
    3,006.10x = 6,968,963.33
  5. Step 5: Solve for x
    x = 6,968,963.33/3,006.10
  6. Step 6: Final answer
    x = 2,318.27

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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.