Home / 3,079.76-4,623.74-2,620.49

Finding the Fourth Proportional to 3,079.76, 4,623.74 and 2,620.49

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Solution

The fourth proportional to 3,079.76, 4,623.74 and 2,620.49 is: 3,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.76 : 4,623.74 = 2,620.49 : x
  2. Step 2: Convert to fraction form
    3,079.76/4,623.74 = 2,620.49/x
  3. Step 3: Cross multiply
    3,079.76x = 4,623.74 × 2,620.49
  4. Step 4: Simplify right side
    3,079.76x = 12,116,438.04
  5. Step 5: Solve for x
    x = 12,116,438.04/3,079.76
  6. Step 6: Final answer
    x = 3,934.22

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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.