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Finding the Fourth Proportional to 2,010.96, 3,015.23 and 777.33

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Solution

The fourth proportional to 2,010.96, 3,015.23 and 777.33 is: 1,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.96 : 3,015.23 = 777.33 : x
  2. Step 2: Convert to fraction form
    2,010.96/3,015.23 = 777.33/x
  3. Step 3: Cross multiply
    2,010.96x = 3,015.23 × 777.33
  4. Step 4: Simplify right side
    2,010.96x = 2,343,824.85
  5. Step 5: Solve for x
    x = 2,343,824.85/2,010.96
  6. Step 6: Final answer
    x = 1,165.53

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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.