Home / 2,021.49-2,783.07-1,759.50

Finding the Fourth Proportional to 2,021.49, 2,783.07 and 1,759.50

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Solution

The fourth proportional to 2,021.49, 2,783.07 and 1,759.50 is: 2,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.49 : 2,783.07 = 1,759.50 : x
  2. Step 2: Convert to fraction form
    2,021.49/2,783.07 = 1,759.50/x
  3. Step 3: Cross multiply
    2,021.49x = 2,783.07 × 1,759.50
  4. Step 4: Simplify right side
    2,021.49x = 4,896,811.67
  5. Step 5: Solve for x
    x = 4,896,811.67/2,021.49
  6. Step 6: Final answer
    x = 2,422.38

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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.