Home / 3,946.34-5,440.55-3,384.33

Finding the Fourth Proportional to 3,946.34, 5,440.55 and 3,384.33

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Solution

The fourth proportional to 3,946.34, 5,440.55 and 3,384.33 is: 4,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.34 : 5,440.55 = 3,384.33 : x
  2. Step 2: Convert to fraction form
    3,946.34/5,440.55 = 3,384.33/x
  3. Step 3: Cross multiply
    3,946.34x = 5,440.55 × 3,384.33
  4. Step 4: Simplify right side
    3,946.34x = 18,412,599.66
  5. Step 5: Solve for x
    x = 18,412,599.66/3,946.34
  6. Step 6: Final answer
    x = 4,665.75

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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.