Home / 3,391.42-4,680.32-1,899.33

Finding the Fourth Proportional to 3,391.42, 4,680.32 and 1,899.33

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Solution

The fourth proportional to 3,391.42, 4,680.32 and 1,899.33 is: 2,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.42 : 4,680.32 = 1,899.33 : x
  2. Step 2: Convert to fraction form
    3,391.42/4,680.32 = 1,899.33/x
  3. Step 3: Cross multiply
    3,391.42x = 4,680.32 × 1,899.33
  4. Step 4: Simplify right side
    3,391.42x = 8,889,472.19
  5. Step 5: Solve for x
    x = 8,889,472.19/3,391.42
  6. Step 6: Final answer
    x = 2,621.17

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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.