Home / 3,006.44-4,148.99-1,680.54

Finding the Fourth Proportional to 3,006.44, 4,148.99 and 1,680.54

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Solution

The fourth proportional to 3,006.44, 4,148.99 and 1,680.54 is: 2,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.44 : 4,148.99 = 1,680.54 : x
  2. Step 2: Convert to fraction form
    3,006.44/4,148.99 = 1,680.54/x
  3. Step 3: Cross multiply
    3,006.44x = 4,148.99 × 1,680.54
  4. Step 4: Simplify right side
    3,006.44x = 6,972,543.65
  5. Step 5: Solve for x
    x = 6,972,543.65/3,006.44
  6. Step 6: Final answer
    x = 2,319.20

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1.5x scale

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.