Home / 3,383.91-4,670.73-2,124.09

Finding the Fourth Proportional to 3,383.91, 4,670.73 and 2,124.09

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Solution

The fourth proportional to 3,383.91, 4,670.73 and 2,124.09 is: 2,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.91 : 4,670.73 = 2,124.09 : x
  2. Step 2: Convert to fraction form
    3,383.91/4,670.73 = 2,124.09/x
  3. Step 3: Cross multiply
    3,383.91x = 4,670.73 × 2,124.09
  4. Step 4: Simplify right side
    3,383.91x = 9,921,050.89
  5. Step 5: Solve for x
    x = 9,921,050.89/3,383.91
  6. Step 6: Final answer
    x = 2,931.83

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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.