Home / 3,328.20-4,988.39-2,503.80

Finding the Fourth Proportional to 3,328.20, 4,988.39 and 2,503.80

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Solution

The fourth proportional to 3,328.20, 4,988.39 and 2,503.80 is: 3,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.20 : 4,988.39 = 2,503.80 : x
  2. Step 2: Convert to fraction form
    3,328.20/4,988.39 = 2,503.80/x
  3. Step 3: Cross multiply
    3,328.20x = 4,988.39 × 2,503.80
  4. Step 4: Simplify right side
    3,328.20x = 12,489,918.36
  5. Step 5: Solve for x
    x = 12,489,918.36/3,328.20
  6. Step 6: Final answer
    x = 3,752.75

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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.