Home / 2,942.68-4,060.95-1,616.47

Finding the Fourth Proportional to 2,942.68, 4,060.95 and 1,616.47

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Solution

The fourth proportional to 2,942.68, 4,060.95 and 1,616.47 is: 2,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.68 : 4,060.95 = 1,616.47 : x
  2. Step 2: Convert to fraction form
    2,942.68/4,060.95 = 1,616.47/x
  3. Step 3: Cross multiply
    2,942.68x = 4,060.95 × 1,616.47
  4. Step 4: Simplify right side
    2,942.68x = 6,564,403.85
  5. Step 5: Solve for x
    x = 6,564,403.85/2,942.68
  6. Step 6: Final answer
    x = 2,230.76

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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.