Home / 2,091.35-2,885.96-1,195.07

Finding the Fourth Proportional to 2,091.35, 2,885.96 and 1,195.07

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Solution

The fourth proportional to 2,091.35, 2,885.96 and 1,195.07 is: 1,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.35 : 2,885.96 = 1,195.07 : x
  2. Step 2: Convert to fraction form
    2,091.35/2,885.96 = 1,195.07/x
  3. Step 3: Cross multiply
    2,091.35x = 2,885.96 × 1,195.07
  4. Step 4: Simplify right side
    2,091.35x = 3,448,912.78
  5. Step 5: Solve for x
    x = 3,448,912.78/2,091.35
  6. Step 6: Final answer
    x = 1,649.13

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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.