Home / 3,006.93-4,149.49-1,680.64

Finding the Fourth Proportional to 3,006.93, 4,149.49 and 1,680.64

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Solution

The fourth proportional to 3,006.93, 4,149.49 and 1,680.64 is: 2,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.93 : 4,149.49 = 1,680.64 : x
  2. Step 2: Convert to fraction form
    3,006.93/4,149.49 = 1,680.64/x
  3. Step 3: Cross multiply
    3,006.93x = 4,149.49 × 1,680.64
  4. Step 4: Simplify right side
    3,006.93x = 6,973,798.87
  5. Step 5: Solve for x
    x = 6,973,798.87/3,006.93
  6. Step 6: Final answer
    x = 2,319.24

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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.