Home / 3,065.79-4,230.68-1,739.75

Finding the Fourth Proportional to 3,065.79, 4,230.68 and 1,739.75

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Solution

The fourth proportional to 3,065.79, 4,230.68 and 1,739.75 is: 2,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.79 : 4,230.68 = 1,739.75 : x
  2. Step 2: Convert to fraction form
    3,065.79/4,230.68 = 1,739.75/x
  3. Step 3: Cross multiply
    3,065.79x = 4,230.68 × 1,739.75
  4. Step 4: Simplify right side
    3,065.79x = 7,360,327.41
  5. Step 5: Solve for x
    x = 7,360,327.41/3,065.79
  6. Step 6: Final answer
    x = 2,400.79

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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.