Home / 3,066-4,230.48-1,739.76

Finding the Fourth Proportional to 3,066, 4,230.48 and 1,739.76

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Solution

The fourth proportional to 3,066, 4,230.48 and 1,739.76 is: 2,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066 : 4,230.48 = 1,739.76 : x
  2. Step 2: Convert to fraction form
    3,066/4,230.48 = 1,739.76/x
  3. Step 3: Cross multiply
    3,066x = 4,230.48 × 1,739.76
  4. Step 4: Simplify right side
    3,066x = 7,360,019.88
  5. Step 5: Solve for x
    x = 7,360,019.88/3,066
  6. Step 6: Final answer
    x = 2,400.53

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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.