Home / 3,065.66-4,230.41-1,668.38

Finding the Fourth Proportional to 3,065.66, 4,230.41 and 1,668.38

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Solution

The fourth proportional to 3,065.66, 4,230.41 and 1,668.38 is: 2,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.66 : 4,230.41 = 1,668.38 : x
  2. Step 2: Convert to fraction form
    3,065.66/4,230.41 = 1,668.38/x
  3. Step 3: Cross multiply
    3,065.66x = 4,230.41 × 1,668.38
  4. Step 4: Simplify right side
    3,065.66x = 7,057,935.76
  5. Step 5: Solve for x
    x = 7,057,935.76/3,065.66
  6. Step 6: Final answer
    x = 2,302.25

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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.