Home / 1,946.94-2,685.69-1,237.56

Finding the Fourth Proportional to 1,946.94, 2,685.69 and 1,237.56

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Solution

The fourth proportional to 1,946.94, 2,685.69 and 1,237.56 is: 1,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.94 : 2,685.69 = 1,237.56 : x
  2. Step 2: Convert to fraction form
    1,946.94/2,685.69 = 1,237.56/x
  3. Step 3: Cross multiply
    1,946.94x = 2,685.69 × 1,237.56
  4. Step 4: Simplify right side
    1,946.94x = 3,323,702.52
  5. Step 5: Solve for x
    x = 3,323,702.52/1,946.94
  6. Step 6: Final answer
    x = 1,707.14

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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.