Home / 3,448.94-5,169.30-1,985.07

Finding the Fourth Proportional to 3,448.94, 5,169.30 and 1,985.07

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Solution

The fourth proportional to 3,448.94, 5,169.30 and 1,985.07 is: 2,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.94 : 5,169.30 = 1,985.07 : x
  2. Step 2: Convert to fraction form
    3,448.94/5,169.30 = 1,985.07/x
  3. Step 3: Cross multiply
    3,448.94x = 5,169.30 × 1,985.07
  4. Step 4: Simplify right side
    3,448.94x = 10,261,422.35
  5. Step 5: Solve for x
    x = 10,261,422.35/3,448.94
  6. Step 6: Final answer
    x = 2,975.24

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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.