Home / 2,942.61-4,056.53-2,055.66

Finding the Fourth Proportional to 2,942.61, 4,056.53 and 2,055.66

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Solution

The fourth proportional to 2,942.61, 4,056.53 and 2,055.66 is: 2,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.61 : 4,056.53 = 2,055.66 : x
  2. Step 2: Convert to fraction form
    2,942.61/4,056.53 = 2,055.66/x
  3. Step 3: Cross multiply
    2,942.61x = 4,056.53 × 2,055.66
  4. Step 4: Simplify right side
    2,942.61x = 8,338,836.18
  5. Step 5: Solve for x
    x = 8,338,836.18/2,942.61
  6. Step 6: Final answer
    x = 2,833.82

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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.