Home / 2,110.03-2,911.76-1,165.80

Finding the Fourth Proportional to 2,110.03, 2,911.76 and 1,165.80

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Solution

The fourth proportional to 2,110.03, 2,911.76 and 1,165.80 is: 1,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.03 : 2,911.76 = 1,165.80 : x
  2. Step 2: Convert to fraction form
    2,110.03/2,911.76 = 1,165.80/x
  3. Step 3: Cross multiply
    2,110.03x = 2,911.76 × 1,165.80
  4. Step 4: Simplify right side
    2,110.03x = 3,394,529.81
  5. Step 5: Solve for x
    x = 3,394,529.81/2,110.03
  6. Step 6: Final answer
    x = 1,608.76

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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.