Home / 3,065.81-4,230.90-1,739.48

Finding the Fourth Proportional to 3,065.81, 4,230.90 and 1,739.48

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Solution

The fourth proportional to 3,065.81, 4,230.90 and 1,739.48 is: 2,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.81 : 4,230.90 = 1,739.48 : x
  2. Step 2: Convert to fraction form
    3,065.81/4,230.90 = 1,739.48/x
  3. Step 3: Cross multiply
    3,065.81x = 4,230.90 × 1,739.48
  4. Step 4: Simplify right side
    3,065.81x = 7,359,544.78
  5. Step 5: Solve for x
    x = 7,359,544.78/3,065.81
  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.