Home / 3,339.89-4,608.99-2,160.93

Finding the Fourth Proportional to 3,339.89, 4,608.99 and 2,160.93

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Solution

The fourth proportional to 3,339.89, 4,608.99 and 2,160.93 is: 2,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.89 : 4,608.99 = 2,160.93 : x
  2. Step 2: Convert to fraction form
    3,339.89/4,608.99 = 2,160.93/x
  3. Step 3: Cross multiply
    3,339.89x = 4,608.99 × 2,160.93
  4. Step 4: Simplify right side
    3,339.89x = 9,959,704.76
  5. Step 5: Solve for x
    x = 9,959,704.76/3,339.89
  6. Step 6: Final answer
    x = 2,982.05

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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.