Home / 3,619.36-4,990.22-3,050.74

Finding the Fourth Proportional to 3,619.36, 4,990.22 and 3,050.74

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Solution

The fourth proportional to 3,619.36, 4,990.22 and 3,050.74 is: 4,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.36 : 4,990.22 = 3,050.74 : x
  2. Step 2: Convert to fraction form
    3,619.36/4,990.22 = 3,050.74/x
  3. Step 3: Cross multiply
    3,619.36x = 4,990.22 × 3,050.74
  4. Step 4: Simplify right side
    3,619.36x = 15,223,863.76
  5. Step 5: Solve for x
    x = 15,223,863.76/3,619.36
  6. Step 6: Final answer
    x = 4,206.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.