Home / 1,946.73-2,684.83-1,317.09

Finding the Fourth Proportional to 1,946.73, 2,684.83 and 1,317.09

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Solution

The fourth proportional to 1,946.73, 2,684.83 and 1,317.09 is: 1,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.73 : 2,684.83 = 1,317.09 : x
  2. Step 2: Convert to fraction form
    1,946.73/2,684.83 = 1,317.09/x
  3. Step 3: Cross multiply
    1,946.73x = 2,684.83 × 1,317.09
  4. Step 4: Simplify right side
    1,946.73x = 3,536,162.74
  5. Step 5: Solve for x
    x = 3,536,162.74/1,946.73
  6. Step 6: Final answer
    x = 1,816.46

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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.