Home / 4,185.80-5,776.50-2,368.68

Finding the Fourth Proportional to 4,185.80, 5,776.50 and 2,368.68

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Solution

The fourth proportional to 4,185.80, 5,776.50 and 2,368.68 is: 3,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.80 : 5,776.50 = 2,368.68 : x
  2. Step 2: Convert to fraction form
    4,185.80/5,776.50 = 2,368.68/x
  3. Step 3: Cross multiply
    4,185.80x = 5,776.50 × 2,368.68
  4. Step 4: Simplify right side
    4,185.80x = 13,682,680.02
  5. Step 5: Solve for x
    x = 13,682,680.02/4,185.80
  6. Step 6: Final answer
    x = 3,268.83

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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.