Home / 3,725.07-5,141.12-2,485.23

Finding the Fourth Proportional to 3,725.07, 5,141.12 and 2,485.23

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Solution

The fourth proportional to 3,725.07, 5,141.12 and 2,485.23 is: 3,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.07 : 5,141.12 = 2,485.23 : x
  2. Step 2: Convert to fraction form
    3,725.07/5,141.12 = 2,485.23/x
  3. Step 3: Cross multiply
    3,725.07x = 5,141.12 × 2,485.23
  4. Step 4: Simplify right side
    3,725.07x = 12,776,853.23
  5. Step 5: Solve for x
    x = 12,776,853.23/3,725.07
  6. Step 6: Final answer
    x = 3,429.96

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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.