Home / 2,669.21-3,683.26-1,550.13

Finding the Fourth Proportional to 2,669.21, 3,683.26 and 1,550.13

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Solution

The fourth proportional to 2,669.21, 3,683.26 and 1,550.13 is: 2,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.21 : 3,683.26 = 1,550.13 : x
  2. Step 2: Convert to fraction form
    2,669.21/3,683.26 = 1,550.13/x
  3. Step 3: Cross multiply
    2,669.21x = 3,683.26 × 1,550.13
  4. Step 4: Simplify right side
    2,669.21x = 5,709,519.95
  5. Step 5: Solve for x
    x = 5,709,519.95/2,669.21
  6. Step 6: Final answer
    x = 2,139.03

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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.