Home / 3,435.05-4,738.83-2,315.63

Finding the Fourth Proportional to 3,435.05, 4,738.83 and 2,315.63

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Solution

The fourth proportional to 3,435.05, 4,738.83 and 2,315.63 is: 3,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.05 : 4,738.83 = 2,315.63 : x
  2. Step 2: Convert to fraction form
    3,435.05/4,738.83 = 2,315.63/x
  3. Step 3: Cross multiply
    3,435.05x = 4,738.83 × 2,315.63
  4. Step 4: Simplify right side
    3,435.05x = 10,973,376.91
  5. Step 5: Solve for x
    x = 10,973,376.91/3,435.05
  6. Step 6: Final answer
    x = 3,194.53

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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.