Home / 1,674.27-2,309.67-1,076.58

Finding the Fourth Proportional to 1,674.27, 2,309.67 and 1,076.58

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Solution

The fourth proportional to 1,674.27, 2,309.67 and 1,076.58 is: 1,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.27 : 2,309.67 = 1,076.58 : x
  2. Step 2: Convert to fraction form
    1,674.27/2,309.67 = 1,076.58/x
  3. Step 3: Cross multiply
    1,674.27x = 2,309.67 × 1,076.58
  4. Step 4: Simplify right side
    1,674.27x = 2,486,544.53
  5. Step 5: Solve for x
    x = 2,486,544.53/1,674.27
  6. Step 6: Final answer
    x = 1,485.15

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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.