Home / 3,280.95-4,525.34-2,020.34

Finding the Fourth Proportional to 3,280.95, 4,525.34 and 2,020.34

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Solution

The fourth proportional to 3,280.95, 4,525.34 and 2,020.34 is: 2,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.95 : 4,525.34 = 2,020.34 : x
  2. Step 2: Convert to fraction form
    3,280.95/4,525.34 = 2,020.34/x
  3. Step 3: Cross multiply
    3,280.95x = 4,525.34 × 2,020.34
  4. Step 4: Simplify right side
    3,280.95x = 9,142,726.63
  5. Step 5: Solve for x
    x = 9,142,726.63/3,280.95
  6. Step 6: Final answer
    x = 2,786.61

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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.