Home / 2,750.68-4,108.73-2,313.28

Finding the Fourth Proportional to 2,750.68, 4,108.73 and 2,313.28

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Solution

The fourth proportional to 2,750.68, 4,108.73 and 2,313.28 is: 3,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.68 : 4,108.73 = 2,313.28 : x
  2. Step 2: Convert to fraction form
    2,750.68/4,108.73 = 2,313.28/x
  3. Step 3: Cross multiply
    2,750.68x = 4,108.73 × 2,313.28
  4. Step 4: Simplify right side
    2,750.68x = 9,504,642.93
  5. Step 5: Solve for x
    x = 9,504,642.93/2,750.68
  6. Step 6: Final answer
    x = 3,455.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.