Home / 3,080.26-4,250.74-1,683

Finding the Fourth Proportional to 3,080.26, 4,250.74 and 1,683

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Solution

The fourth proportional to 3,080.26, 4,250.74 and 1,683 is: 2,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.26 : 4,250.74 = 1,683 : x
  2. Step 2: Convert to fraction form
    3,080.26/4,250.74 = 1,683/x
  3. Step 3: Cross multiply
    3,080.26x = 4,250.74 × 1,683
  4. Step 4: Simplify right side
    3,080.26x = 7,153,995.42
  5. Step 5: Solve for x
    x = 7,153,995.42/3,080.26
  6. Step 6: Final answer
    x = 2,322.53

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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.