Home / 3,036.86-4,191.73-1,974.64

Finding the Fourth Proportional to 3,036.86, 4,191.73 and 1,974.64

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Solution

The fourth proportional to 3,036.86, 4,191.73 and 1,974.64 is: 2,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.86 : 4,191.73 = 1,974.64 : x
  2. Step 2: Convert to fraction form
    3,036.86/4,191.73 = 1,974.64/x
  3. Step 3: Cross multiply
    3,036.86x = 4,191.73 × 1,974.64
  4. Step 4: Simplify right side
    3,036.86x = 8,277,136.77
  5. Step 5: Solve for x
    x = 8,277,136.77/3,036.86
  6. Step 6: Final answer
    x = 2,725.56

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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.