Home / 3,255.30-4,880.10-1,935.80

Finding the Fourth Proportional to 3,255.30, 4,880.10 and 1,935.80

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Solution

The fourth proportional to 3,255.30, 4,880.10 and 1,935.80 is: 2,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.30 : 4,880.10 = 1,935.80 : x
  2. Step 2: Convert to fraction form
    3,255.30/4,880.10 = 1,935.80/x
  3. Step 3: Cross multiply
    3,255.30x = 4,880.10 × 1,935.80
  4. Step 4: Simplify right side
    3,255.30x = 9,446,897.58
  5. Step 5: Solve for x
    x = 9,446,897.58/3,255.30
  6. Step 6: Final answer
    x = 2,902.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.