Home / 1,683.47-2,519.73-1,450.19

Finding the Fourth Proportional to 1,683.47, 2,519.73 and 1,450.19

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Solution

The fourth proportional to 1,683.47, 2,519.73 and 1,450.19 is: 2,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.47 : 2,519.73 = 1,450.19 : x
  2. Step 2: Convert to fraction form
    1,683.47/2,519.73 = 1,450.19/x
  3. Step 3: Cross multiply
    1,683.47x = 2,519.73 × 1,450.19
  4. Step 4: Simplify right side
    1,683.47x = 3,654,074.65
  5. Step 5: Solve for x
    x = 3,654,074.65/1,683.47
  6. Step 6: Final answer
    x = 2,170.57

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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.