Home / 3,141.42-4,333.58-2,146.74

Finding the Fourth Proportional to 3,141.42, 4,333.58 and 2,146.74

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Solution

The fourth proportional to 3,141.42, 4,333.58 and 2,146.74 is: 2,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.42 : 4,333.58 = 2,146.74 : x
  2. Step 2: Convert to fraction form
    3,141.42/4,333.58 = 2,146.74/x
  3. Step 3: Cross multiply
    3,141.42x = 4,333.58 × 2,146.74
  4. Step 4: Simplify right side
    3,141.42x = 9,303,069.53
  5. Step 5: Solve for x
    x = 9,303,069.53/3,141.42
  6. Step 6: Final answer
    x = 2,961.42

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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.