Home / 3,268.47-4,903.02-1,419.06

Finding the Fourth Proportional to 3,268.47, 4,903.02 and 1,419.06

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Solution

The fourth proportional to 3,268.47, 4,903.02 and 1,419.06 is: 2,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.47 : 4,903.02 = 1,419.06 : x
  2. Step 2: Convert to fraction form
    3,268.47/4,903.02 = 1,419.06/x
  3. Step 3: Cross multiply
    3,268.47x = 4,903.02 × 1,419.06
  4. Step 4: Simplify right side
    3,268.47x = 6,957,679.56
  5. Step 5: Solve for x
    x = 6,957,679.56/3,268.47
  6. Step 6: Final answer
    x = 2,128.73

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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.