Home / 3,394.81-5,092.21-929.65

Finding the Fourth Proportional to 3,394.81, 5,092.21 and 929.65

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Solution

The fourth proportional to 3,394.81, 5,092.21 and 929.65 is: 1,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.81 : 5,092.21 = 929.65 : x
  2. Step 2: Convert to fraction form
    3,394.81/5,092.21 = 929.65/x
  3. Step 3: Cross multiply
    3,394.81x = 5,092.21 × 929.65
  4. Step 4: Simplify right side
    3,394.81x = 4,733,973.03
  5. Step 5: Solve for x
    x = 4,733,973.03/3,394.81
  6. Step 6: Final answer
    x = 1,394.47

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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.