Home / 1,954.86-2,697.83-1,283.06

Finding the Fourth Proportional to 1,954.86, 2,697.83 and 1,283.06

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Solution

The fourth proportional to 1,954.86, 2,697.83 and 1,283.06 is: 1,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.86 : 2,697.83 = 1,283.06 : x
  2. Step 2: Convert to fraction form
    1,954.86/2,697.83 = 1,283.06/x
  3. Step 3: Cross multiply
    1,954.86x = 2,697.83 × 1,283.06
  4. Step 4: Simplify right side
    1,954.86x = 3,461,482.90
  5. Step 5: Solve for x
    x = 3,461,482.90/1,954.86
  6. Step 6: Final answer
    x = 1,770.71

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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.