Home / 3,150.03-4,346.98-1,971.75

Finding the Fourth Proportional to 3,150.03, 4,346.98 and 1,971.75

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Solution

The fourth proportional to 3,150.03, 4,346.98 and 1,971.75 is: 2,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.03 : 4,346.98 = 1,971.75 : x
  2. Step 2: Convert to fraction form
    3,150.03/4,346.98 = 1,971.75/x
  3. Step 3: Cross multiply
    3,150.03x = 4,346.98 × 1,971.75
  4. Step 4: Simplify right side
    3,150.03x = 8,571,180.28
  5. Step 5: Solve for x
    x = 8,571,180.28/3,150.03
  6. Step 6: Final answer
    x = 2,720.98

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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.