Home / 3,432.58-4,736.78-2,106.06

Finding the Fourth Proportional to 3,432.58, 4,736.78 and 2,106.06

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Solution

The fourth proportional to 3,432.58, 4,736.78 and 2,106.06 is: 2,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.58 : 4,736.78 = 2,106.06 : x
  2. Step 2: Convert to fraction form
    3,432.58/4,736.78 = 2,106.06/x
  3. Step 3: Cross multiply
    3,432.58x = 4,736.78 × 2,106.06
  4. Step 4: Simplify right side
    3,432.58x = 9,975,942.89
  5. Step 5: Solve for x
    x = 9,975,942.89/3,432.58
  6. Step 6: Final answer
    x = 2,906.25

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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.