Home / 3,090-4,624.22-2,528.22

Finding the Fourth Proportional to 3,090, 4,624.22 and 2,528.22

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Solution

The fourth proportional to 3,090, 4,624.22 and 2,528.22 is: 3,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090 : 4,624.22 = 2,528.22 : x
  2. Step 2: Convert to fraction form
    3,090/4,624.22 = 2,528.22/x
  3. Step 3: Cross multiply
    3,090x = 4,624.22 × 2,528.22
  4. Step 4: Simplify right side
    3,090x = 11,691,032.85
  5. Step 5: Solve for x
    x = 11,691,032.85/3,090
  6. Step 6: Final answer
    x = 3,783.51

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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.