Home / 2,942.61-4,060.80-1,616.39

Finding the Fourth Proportional to 2,942.61, 4,060.80 and 1,616.39

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Solution

The fourth proportional to 2,942.61, 4,060.80 and 1,616.39 is: 2,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.61 : 4,060.80 = 1,616.39 : x
  2. Step 2: Convert to fraction form
    2,942.61/4,060.80 = 1,616.39/x
  3. Step 3: Cross multiply
    2,942.61x = 4,060.80 × 1,616.39
  4. Step 4: Simplify right side
    2,942.61x = 6,563,831.44
  5. Step 5: Solve for x
    x = 6,563,831.44/2,942.61
  6. Step 6: Final answer
    x = 2,230.61

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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.