Home / 3,494.90-4,823.19-1,923.09

Finding the Fourth Proportional to 3,494.90, 4,823.19 and 1,923.09

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Solution

The fourth proportional to 3,494.90, 4,823.19 and 1,923.09 is: 2,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.90 : 4,823.19 = 1,923.09 : x
  2. Step 2: Convert to fraction form
    3,494.90/4,823.19 = 1,923.09/x
  3. Step 3: Cross multiply
    3,494.90x = 4,823.19 × 1,923.09
  4. Step 4: Simplify right side
    3,494.90x = 9,275,428.46
  5. Step 5: Solve for x
    x = 9,275,428.46/3,494.90
  6. Step 6: Final answer
    x = 2,653.99

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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.