Home / 3,081.04-4,623-1,783.60

Finding the Fourth Proportional to 3,081.04, 4,623 and 1,783.60

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Solution

The fourth proportional to 3,081.04, 4,623 and 1,783.60 is: 2,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.04 : 4,623 = 1,783.60 : x
  2. Step 2: Convert to fraction form
    3,081.04/4,623 = 1,783.60/x
  3. Step 3: Cross multiply
    3,081.04x = 4,623 × 1,783.60
  4. Step 4: Simplify right side
    3,081.04x = 8,245,582.80
  5. Step 5: Solve for x
    x = 8,245,582.80/3,081.04
  6. Step 6: Final answer
    x = 2,676.23

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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.