Home / 3,146.14-4,341.70-1,729.96

Finding the Fourth Proportional to 3,146.14, 4,341.70 and 1,729.96

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Solution

The fourth proportional to 3,146.14, 4,341.70 and 1,729.96 is: 2,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.14 : 4,341.70 = 1,729.96 : x
  2. Step 2: Convert to fraction form
    3,146.14/4,341.70 = 1,729.96/x
  3. Step 3: Cross multiply
    3,146.14x = 4,341.70 × 1,729.96
  4. Step 4: Simplify right side
    3,146.14x = 7,510,958.64
  5. Step 5: Solve for x
    x = 7,510,958.64/3,146.14
  6. Step 6: Final answer
    x = 2,387.36

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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.