Home / 3,040.96-4,196.53-1,643.71

Finding the Fourth Proportional to 3,040.96, 4,196.53 and 1,643.71

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Solution

The fourth proportional to 3,040.96, 4,196.53 and 1,643.71 is: 2,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.96 : 4,196.53 = 1,643.71 : x
  2. Step 2: Convert to fraction form
    3,040.96/4,196.53 = 1,643.71/x
  3. Step 3: Cross multiply
    3,040.96x = 4,196.53 × 1,643.71
  4. Step 4: Simplify right side
    3,040.96x = 6,897,878.33
  5. Step 5: Solve for x
    x = 6,897,878.33/3,040.96
  6. Step 6: Final answer
    x = 2,268.32

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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.