Home / 3,000.09-4,138.77-1,880.49

Finding the Fourth Proportional to 3,000.09, 4,138.77 and 1,880.49

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Solution

The fourth proportional to 3,000.09, 4,138.77 and 1,880.49 is: 2,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.09 : 4,138.77 = 1,880.49 : x
  2. Step 2: Convert to fraction form
    3,000.09/4,138.77 = 1,880.49/x
  3. Step 3: Cross multiply
    3,000.09x = 4,138.77 × 1,880.49
  4. Step 4: Simplify right side
    3,000.09x = 7,782,915.60
  5. Step 5: Solve for x
    x = 7,782,915.60/3,000.09
  6. Step 6: Final answer
    x = 2,594.23

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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.