Home / 3,260.02-4,497.78-1,999.77

Finding the Fourth Proportional to 3,260.02, 4,497.78 and 1,999.77

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Solution

The fourth proportional to 3,260.02, 4,497.78 and 1,999.77 is: 2,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.02 : 4,497.78 = 1,999.77 : x
  2. Step 2: Convert to fraction form
    3,260.02/4,497.78 = 1,999.77/x
  3. Step 3: Cross multiply
    3,260.02x = 4,497.78 × 1,999.77
  4. Step 4: Simplify right side
    3,260.02x = 8,994,525.51
  5. Step 5: Solve for x
    x = 8,994,525.51/3,260.02
  6. Step 6: Final answer
    x = 2,759.04

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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.