Home / 3,395.07-5,091.12-2,008.80

Finding the Fourth Proportional to 3,395.07, 5,091.12 and 2,008.80

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Solution

The fourth proportional to 3,395.07, 5,091.12 and 2,008.80 is: 3,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.07 : 5,091.12 = 2,008.80 : x
  2. Step 2: Convert to fraction form
    3,395.07/5,091.12 = 2,008.80/x
  3. Step 3: Cross multiply
    3,395.07x = 5,091.12 × 2,008.80
  4. Step 4: Simplify right side
    3,395.07x = 10,227,041.86
  5. Step 5: Solve for x
    x = 10,227,041.86/3,395.07
  6. Step 6: Final answer
    x = 3,012.32

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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.