Home / 3,146.42-4,719.60-1,914.18

Finding the Fourth Proportional to 3,146.42, 4,719.60 and 1,914.18

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Solution

The fourth proportional to 3,146.42, 4,719.60 and 1,914.18 is: 2,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.42 : 4,719.60 = 1,914.18 : x
  2. Step 2: Convert to fraction form
    3,146.42/4,719.60 = 1,914.18/x
  3. Step 3: Cross multiply
    3,146.42x = 4,719.60 × 1,914.18
  4. Step 4: Simplify right side
    3,146.42x = 9,034,163.93
  5. Step 5: Solve for x
    x = 9,034,163.93/3,146.42
  6. Step 6: Final answer
    x = 2,871.25

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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.