Home / 3,285.96-4,534.63-2,107.03

Finding the Fourth Proportional to 3,285.96, 4,534.63 and 2,107.03

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Solution

The fourth proportional to 3,285.96, 4,534.63 and 2,107.03 is: 2,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.96 : 4,534.63 = 2,107.03 : x
  2. Step 2: Convert to fraction form
    3,285.96/4,534.63 = 2,107.03/x
  3. Step 3: Cross multiply
    3,285.96x = 4,534.63 × 2,107.03
  4. Step 4: Simplify right side
    3,285.96x = 9,554,597.90
  5. Step 5: Solve for x
    x = 9,554,597.90/3,285.96
  6. Step 6: Final answer
    x = 2,907.70

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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.