Home / 3,228.24-4,455.33-1,812.30

Finding the Fourth Proportional to 3,228.24, 4,455.33 and 1,812.30

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Solution

The fourth proportional to 3,228.24, 4,455.33 and 1,812.30 is: 2,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.24 : 4,455.33 = 1,812.30 : x
  2. Step 2: Convert to fraction form
    3,228.24/4,455.33 = 1,812.30/x
  3. Step 3: Cross multiply
    3,228.24x = 4,455.33 × 1,812.30
  4. Step 4: Simplify right side
    3,228.24x = 8,074,394.56
  5. Step 5: Solve for x
    x = 8,074,394.56/3,228.24
  6. Step 6: Final answer
    x = 2,501.18

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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.