Home / 3,432.40-4,736.66-1,940.32

Finding the Fourth Proportional to 3,432.40, 4,736.66 and 1,940.32

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Solution

The fourth proportional to 3,432.40, 4,736.66 and 1,940.32 is: 2,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.40 : 4,736.66 = 1,940.32 : x
  2. Step 2: Convert to fraction form
    3,432.40/4,736.66 = 1,940.32/x
  3. Step 3: Cross multiply
    3,432.40x = 4,736.66 × 1,940.32
  4. Step 4: Simplify right side
    3,432.40x = 9,190,636.13
  5. Step 5: Solve for x
    x = 9,190,636.13/3,432.40
  6. Step 6: Final answer
    x = 2,677.61

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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.