Home / 3,023.80-4,172.30-1,845.25

Finding the Fourth Proportional to 3,023.80, 4,172.30 and 1,845.25

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Solution

The fourth proportional to 3,023.80, 4,172.30 and 1,845.25 is: 2,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.80 : 4,172.30 = 1,845.25 : x
  2. Step 2: Convert to fraction form
    3,023.80/4,172.30 = 1,845.25/x
  3. Step 3: Cross multiply
    3,023.80x = 4,172.30 × 1,845.25
  4. Step 4: Simplify right side
    3,023.80x = 7,698,915.71
  5. Step 5: Solve for x
    x = 7,698,915.71/3,023.80
  6. Step 6: Final answer
    x = 2,546.11

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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.