Home / 3,394.44-4,681.91-2,921.51

Finding the Fourth Proportional to 3,394.44, 4,681.91 and 2,921.51

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Solution

The fourth proportional to 3,394.44, 4,681.91 and 2,921.51 is: 4,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.44 : 4,681.91 = 2,921.51 : x
  2. Step 2: Convert to fraction form
    3,394.44/4,681.91 = 2,921.51/x
  3. Step 3: Cross multiply
    3,394.44x = 4,681.91 × 2,921.51
  4. Step 4: Simplify right side
    3,394.44x = 13,678,246.88
  5. Step 5: Solve for x
    x = 13,678,246.88/3,394.44
  6. Step 6: Final answer
    x = 4,029.60

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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.