Home / 1,946.26-2,685.87-1,106.87

Finding the Fourth Proportional to 1,946.26, 2,685.87 and 1,106.87

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Solution

The fourth proportional to 1,946.26, 2,685.87 and 1,106.87 is: 1,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.26 : 2,685.87 = 1,106.87 : x
  2. Step 2: Convert to fraction form
    1,946.26/2,685.87 = 1,106.87/x
  3. Step 3: Cross multiply
    1,946.26x = 2,685.87 × 1,106.87
  4. Step 4: Simplify right side
    1,946.26x = 2,972,915.64
  5. Step 5: Solve for x
    x = 2,972,915.64/1,946.26
  6. Step 6: Final answer
    x = 1,527.50

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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.