Home / 3,040.93-4,196.47-1,643.68

Finding the Fourth Proportional to 3,040.93, 4,196.47 and 1,643.68

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Solution

The fourth proportional to 3,040.93, 4,196.47 and 1,643.68 is: 2,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.93 : 4,196.47 = 1,643.68 : x
  2. Step 2: Convert to fraction form
    3,040.93/4,196.47 = 1,643.68/x
  3. Step 3: Cross multiply
    3,040.93x = 4,196.47 × 1,643.68
  4. Step 4: Simplify right side
    3,040.93x = 6,897,639.21
  5. Step 5: Solve for x
    x = 6,897,639.21/3,040.93
  6. Step 6: Final answer
    x = 2,268.27

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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.