Home / 3,439.36-4,743.97-2,113.49

Finding the Fourth Proportional to 3,439.36, 4,743.97 and 2,113.49

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Solution

The fourth proportional to 3,439.36, 4,743.97 and 2,113.49 is: 2,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.36 : 4,743.97 = 2,113.49 : x
  2. Step 2: Convert to fraction form
    3,439.36/4,743.97 = 2,113.49/x
  3. Step 3: Cross multiply
    3,439.36x = 4,743.97 × 2,113.49
  4. Step 4: Simplify right side
    3,439.36x = 10,026,339.73
  5. Step 5: Solve for x
    x = 10,026,339.73/3,439.36
  6. Step 6: Final answer
    x = 2,915.17

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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.