Home / 3,862.17-5,329.44-2,268.69

Finding the Fourth Proportional to 3,862.17, 5,329.44 and 2,268.69

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Solution

The fourth proportional to 3,862.17, 5,329.44 and 2,268.69 is: 3,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.17 : 5,329.44 = 2,268.69 : x
  2. Step 2: Convert to fraction form
    3,862.17/5,329.44 = 2,268.69/x
  3. Step 3: Cross multiply
    3,862.17x = 5,329.44 × 2,268.69
  4. Step 4: Simplify right side
    3,862.17x = 12,090,847.23
  5. Step 5: Solve for x
    x = 12,090,847.23/3,862.17
  6. Step 6: Final answer
    x = 3,130.58

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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.