Home / 2,428.67-3,350.21-1,683.06

Finding the Fourth Proportional to 2,428.67, 3,350.21 and 1,683.06

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Solution

The fourth proportional to 2,428.67, 3,350.21 and 1,683.06 is: 2,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.67 : 3,350.21 = 1,683.06 : x
  2. Step 2: Convert to fraction form
    2,428.67/3,350.21 = 1,683.06/x
  3. Step 3: Cross multiply
    2,428.67x = 3,350.21 × 1,683.06
  4. Step 4: Simplify right side
    2,428.67x = 5,638,596.03
  5. Step 5: Solve for x
    x = 5,638,596.03/2,428.67
  6. Step 6: Final answer
    x = 2,321.69

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1.5x scale

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.