Home / 3,440.34-4,747.66-1,868.43

Finding the Fourth Proportional to 3,440.34, 4,747.66 and 1,868.43

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Solution

The fourth proportional to 3,440.34, 4,747.66 and 1,868.43 is: 2,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.34 : 4,747.66 = 1,868.43 : x
  2. Step 2: Convert to fraction form
    3,440.34/4,747.66 = 1,868.43/x
  3. Step 3: Cross multiply
    3,440.34x = 4,747.66 × 1,868.43
  4. Step 4: Simplify right side
    3,440.34x = 8,870,670.37
  5. Step 5: Solve for x
    x = 8,870,670.37/3,440.34
  6. Step 6: Final answer
    x = 2,578.43

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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.