Home / 2,664.08-3,984.60-2,180.24

Finding the Fourth Proportional to 2,664.08, 3,984.60 and 2,180.24

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Solution

The fourth proportional to 2,664.08, 3,984.60 and 2,180.24 is: 3,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.08 : 3,984.60 = 2,180.24 : x
  2. Step 2: Convert to fraction form
    2,664.08/3,984.60 = 2,180.24/x
  3. Step 3: Cross multiply
    2,664.08x = 3,984.60 × 2,180.24
  4. Step 4: Simplify right side
    2,664.08x = 8,687,384.30
  5. Step 5: Solve for x
    x = 8,687,384.30/2,664.08
  6. Step 6: Final answer
    x = 3,260.93

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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.