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Finding the Fourth Proportional to 3,443.56, 4,744.74 and 3,020.68

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Solution

The fourth proportional to 3,443.56, 4,744.74 and 3,020.68 is: 4,162.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.56 : 4,744.74 = 3,020.68 : x
  2. Step 2: Convert to fraction form
    3,443.56/4,744.74 = 3,020.68/x
  3. Step 3: Cross multiply
    3,443.56x = 4,744.74 × 3,020.68
  4. Step 4: Simplify right side
    3,443.56x = 14,332,341.22
  5. Step 5: Solve for x
    x = 14,332,341.22/3,443.56
  6. Step 6: Final answer
    x = 4,162.07

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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.