Home / 3,432.30-4,736.82-1,940.34

Finding the Fourth Proportional to 3,432.30, 4,736.82 and 1,940.34

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Solution

The fourth proportional to 3,432.30, 4,736.82 and 1,940.34 is: 2,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.30 : 4,736.82 = 1,940.34 : x
  2. Step 2: Convert to fraction form
    3,432.30/4,736.82 = 1,940.34/x
  3. Step 3: Cross multiply
    3,432.30x = 4,736.82 × 1,940.34
  4. Step 4: Simplify right side
    3,432.30x = 9,191,041.32
  5. Step 5: Solve for x
    x = 9,191,041.32/3,432.30
  6. Step 6: Final answer
    x = 2,677.81

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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.