Home / 2,147.66-3,217.22-1,683.26

Finding the Fourth Proportional to 2,147.66, 3,217.22 and 1,683.26

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Solution

The fourth proportional to 2,147.66, 3,217.22 and 1,683.26 is: 2,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.66 : 3,217.22 = 1,683.26 : x
  2. Step 2: Convert to fraction form
    2,147.66/3,217.22 = 1,683.26/x
  3. Step 3: Cross multiply
    2,147.66x = 3,217.22 × 1,683.26
  4. Step 4: Simplify right side
    2,147.66x = 5,415,417.74
  5. Step 5: Solve for x
    x = 5,415,417.74/2,147.66
  6. Step 6: Final answer
    x = 2,521.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.