Home / 2,436.20-3,626.77-2,421.80

Finding the Fourth Proportional to 2,436.20, 3,626.77 and 2,421.80

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Solution

The fourth proportional to 2,436.20, 3,626.77 and 2,421.80 is: 3,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.20 : 3,626.77 = 2,421.80 : x
  2. Step 2: Convert to fraction form
    2,436.20/3,626.77 = 2,421.80/x
  3. Step 3: Cross multiply
    2,436.20x = 3,626.77 × 2,421.80
  4. Step 4: Simplify right side
    2,436.20x = 8,783,311.59
  5. Step 5: Solve for x
    x = 8,783,311.59/2,436.20
  6. Step 6: Final answer
    x = 3,605.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.