Home / 1,946.65-2,685.41-1,283.26

Finding the Fourth Proportional to 1,946.65, 2,685.41 and 1,283.26

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Solution

The fourth proportional to 1,946.65, 2,685.41 and 1,283.26 is: 1,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.65 : 2,685.41 = 1,283.26 : x
  2. Step 2: Convert to fraction form
    1,946.65/2,685.41 = 1,283.26/x
  3. Step 3: Cross multiply
    1,946.65x = 2,685.41 × 1,283.26
  4. Step 4: Simplify right side
    1,946.65x = 3,446,079.24
  5. Step 5: Solve for x
    x = 3,446,079.24/1,946.65
  6. Step 6: Final answer
    x = 1,770.26

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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.