Home / 2,669.28-3,683.22-1,621.14

Finding the Fourth Proportional to 2,669.28, 3,683.22 and 1,621.14

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Solution

The fourth proportional to 2,669.28, 3,683.22 and 1,621.14 is: 2,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.28 : 3,683.22 = 1,621.14 : x
  2. Step 2: Convert to fraction form
    2,669.28/3,683.22 = 1,621.14/x
  3. Step 3: Cross multiply
    2,669.28x = 3,683.22 × 1,621.14
  4. Step 4: Simplify right side
    2,669.28x = 5,971,015.27
  5. Step 5: Solve for x
    x = 5,971,015.27/2,669.28
  6. Step 6: Final answer
    x = 2,236.94

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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.