Home / 3,871.35-5,803.52-2,485.08

Finding the Fourth Proportional to 3,871.35, 5,803.52 and 2,485.08

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Solution

The fourth proportional to 3,871.35, 5,803.52 and 2,485.08 is: 3,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.35 : 5,803.52 = 2,485.08 : x
  2. Step 2: Convert to fraction form
    3,871.35/5,803.52 = 2,485.08/x
  3. Step 3: Cross multiply
    3,871.35x = 5,803.52 × 2,485.08
  4. Step 4: Simplify right side
    3,871.35x = 14,422,199.06
  5. Step 5: Solve for x
    x = 14,422,199.06/3,871.35
  6. Step 6: Final answer
    x = 3,725.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.