Home / 2,485.49-3,405.15-2,392.09

Finding the Fourth Proportional to 2,485.49, 3,405.15 and 2,392.09

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Solution

The fourth proportional to 2,485.49, 3,405.15 and 2,392.09 is: 3,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.49 : 3,405.15 = 2,392.09 : x
  2. Step 2: Convert to fraction form
    2,485.49/3,405.15 = 2,392.09/x
  3. Step 3: Cross multiply
    2,485.49x = 3,405.15 × 2,392.09
  4. Step 4: Simplify right side
    2,485.49x = 8,145,425.26
  5. Step 5: Solve for x
    x = 8,145,425.26/2,485.49
  6. Step 6: Final answer
    x = 3,277.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.