Home / 3,459.06-5,189.16-1,270.86

Finding the Fourth Proportional to 3,459.06, 5,189.16 and 1,270.86

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Solution

The fourth proportional to 3,459.06, 5,189.16 and 1,270.86 is: 1,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.06 : 5,189.16 = 1,270.86 : x
  2. Step 2: Convert to fraction form
    3,459.06/5,189.16 = 1,270.86/x
  3. Step 3: Cross multiply
    3,459.06x = 5,189.16 × 1,270.86
  4. Step 4: Simplify right side
    3,459.06x = 6,594,695.88
  5. Step 5: Solve for x
    x = 6,594,695.88/3,459.06
  6. Step 6: Final answer
    x = 1,906.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.