Home / 2,785.49-3,847.98-2,225.22

Finding the Fourth Proportional to 2,785.49, 3,847.98 and 2,225.22

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Solution

The fourth proportional to 2,785.49, 3,847.98 and 2,225.22 is: 3,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.49 : 3,847.98 = 2,225.22 : x
  2. Step 2: Convert to fraction form
    2,785.49/3,847.98 = 2,225.22/x
  3. Step 3: Cross multiply
    2,785.49x = 3,847.98 × 2,225.22
  4. Step 4: Simplify right side
    2,785.49x = 8,562,602.06
  5. Step 5: Solve for x
    x = 8,562,602.06/2,785.49
  6. Step 6: Final answer
    x = 3,074.01

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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.