Home / 3,006.88-4,149.48-1,680.52

Finding the Fourth Proportional to 3,006.88, 4,149.48 and 1,680.52

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Solution

The fourth proportional to 3,006.88, 4,149.48 and 1,680.52 is: 2,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.88 : 4,149.48 = 1,680.52 : x
  2. Step 2: Convert to fraction form
    3,006.88/4,149.48 = 1,680.52/x
  3. Step 3: Cross multiply
    3,006.88x = 4,149.48 × 1,680.52
  4. Step 4: Simplify right side
    3,006.88x = 6,973,284.13
  5. Step 5: Solve for x
    x = 6,973,284.13/3,006.88
  6. Step 6: Final answer
    x = 2,319.11

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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.