Home / 2,827.91-3,902.07-1,616.57

Finding the Fourth Proportional to 2,827.91, 3,902.07 and 1,616.57

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Solution

The fourth proportional to 2,827.91, 3,902.07 and 1,616.57 is: 2,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.91 : 3,902.07 = 1,616.57 : x
  2. Step 2: Convert to fraction form
    2,827.91/3,902.07 = 1,616.57/x
  3. Step 3: Cross multiply
    2,827.91x = 3,902.07 × 1,616.57
  4. Step 4: Simplify right side
    2,827.91x = 6,307,984.20
  5. Step 5: Solve for x
    x = 6,307,984.20/2,827.91
  6. Step 6: Final answer
    x = 2,230.62

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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.