Home / 3,268.35-4,510.76-2,220.75

Finding the Fourth Proportional to 3,268.35, 4,510.76 and 2,220.75

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Solution

The fourth proportional to 3,268.35, 4,510.76 and 2,220.75 is: 3,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.35 : 4,510.76 = 2,220.75 : x
  2. Step 2: Convert to fraction form
    3,268.35/4,510.76 = 2,220.75/x
  3. Step 3: Cross multiply
    3,268.35x = 4,510.76 × 2,220.75
  4. Step 4: Simplify right side
    3,268.35x = 10,017,259.17
  5. Step 5: Solve for x
    x = 10,017,259.17/3,268.35
  6. Step 6: Final answer
    x = 3,064.93

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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.