Home / 3,091.74-4,635.56-1,995.51

Finding the Fourth Proportional to 3,091.74, 4,635.56 and 1,995.51

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Solution

The fourth proportional to 3,091.74, 4,635.56 and 1,995.51 is: 2,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.74 : 4,635.56 = 1,995.51 : x
  2. Step 2: Convert to fraction form
    3,091.74/4,635.56 = 1,995.51/x
  3. Step 3: Cross multiply
    3,091.74x = 4,635.56 × 1,995.51
  4. Step 4: Simplify right side
    3,091.74x = 9,250,306.34
  5. Step 5: Solve for x
    x = 9,250,306.34/3,091.74
  6. Step 6: Final answer
    x = 2,991.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.