Home / 3,281.73-4,533.21-2,623.20

Finding the Fourth Proportional to 3,281.73, 4,533.21 and 2,623.20

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Solution

The fourth proportional to 3,281.73, 4,533.21 and 2,623.20 is: 3,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.73 : 4,533.21 = 2,623.20 : x
  2. Step 2: Convert to fraction form
    3,281.73/4,533.21 = 2,623.20/x
  3. Step 3: Cross multiply
    3,281.73x = 4,533.21 × 2,623.20
  4. Step 4: Simplify right side
    3,281.73x = 11,891,516.47
  5. Step 5: Solve for x
    x = 11,891,516.47/3,281.73
  6. Step 6: Final answer
    x = 3,623.55

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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.