Home / 1,946.43-2,685.15-1,348.65

Finding the Fourth Proportional to 1,946.43, 2,685.15 and 1,348.65

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Solution

The fourth proportional to 1,946.43, 2,685.15 and 1,348.65 is: 1,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.43 : 2,685.15 = 1,348.65 : x
  2. Step 2: Convert to fraction form
    1,946.43/2,685.15 = 1,348.65/x
  3. Step 3: Cross multiply
    1,946.43x = 2,685.15 × 1,348.65
  4. Step 4: Simplify right side
    1,946.43x = 3,621,327.55
  5. Step 5: Solve for x
    x = 3,621,327.55/1,946.43
  6. Step 6: Final answer
    x = 1,860.50

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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.