Home / 3,432.47-4,736.72-1,940.34

Finding the Fourth Proportional to 3,432.47, 4,736.72 and 1,940.34

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Solution

The fourth proportional to 3,432.47, 4,736.72 and 1,940.34 is: 2,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.47 : 4,736.72 = 1,940.34 : x
  2. Step 2: Convert to fraction form
    3,432.47/4,736.72 = 1,940.34/x
  3. Step 3: Cross multiply
    3,432.47x = 4,736.72 × 1,940.34
  4. Step 4: Simplify right side
    3,432.47x = 9,190,837.58
  5. Step 5: Solve for x
    x = 9,190,837.58/3,432.47
  6. Step 6: Final answer
    x = 2,677.62

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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.