Home / 3,278.57-4,525.97-2,100.33

Finding the Fourth Proportional to 3,278.57, 4,525.97 and 2,100.33

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Solution

The fourth proportional to 3,278.57, 4,525.97 and 2,100.33 is: 2,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.57 : 4,525.97 = 2,100.33 : x
  2. Step 2: Convert to fraction form
    3,278.57/4,525.97 = 2,100.33/x
  3. Step 3: Cross multiply
    3,278.57x = 4,525.97 × 2,100.33
  4. Step 4: Simplify right side
    3,278.57x = 9,506,020.07
  5. Step 5: Solve for x
    x = 9,506,020.07/3,278.57
  6. Step 6: Final answer
    x = 2,899.45

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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.