Home / 2,946.71-4,066.46-1,620.50

Finding the Fourth Proportional to 2,946.71, 4,066.46 and 1,620.50

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Solution

The fourth proportional to 2,946.71, 4,066.46 and 1,620.50 is: 2,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.71 : 4,066.46 = 1,620.50 : x
  2. Step 2: Convert to fraction form
    2,946.71/4,066.46 = 1,620.50/x
  3. Step 3: Cross multiply
    2,946.71x = 4,066.46 × 1,620.50
  4. Step 4: Simplify right side
    2,946.71x = 6,589,698.43
  5. Step 5: Solve for x
    x = 6,589,698.43/2,946.71
  6. Step 6: Final answer
    x = 2,236.29

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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.