Home / 2,669.88-3,683.40-1,622.28

Finding the Fourth Proportional to 2,669.88, 3,683.40 and 1,622.28

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Solution

The fourth proportional to 2,669.88, 3,683.40 and 1,622.28 is: 2,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.88 : 3,683.40 = 1,622.28 : x
  2. Step 2: Convert to fraction form
    2,669.88/3,683.40 = 1,622.28/x
  3. Step 3: Cross multiply
    2,669.88x = 3,683.40 × 1,622.28
  4. Step 4: Simplify right side
    2,669.88x = 5,975,506.15
  5. Step 5: Solve for x
    x = 5,975,506.15/2,669.88
  6. Step 6: Final answer
    x = 2,238.12

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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.