Home / 2,004.24-3,006.84-688.05

Finding the Fourth Proportional to 2,004.24, 3,006.84 and 688.05

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Solution

The fourth proportional to 2,004.24, 3,006.84 and 688.05 is: 1,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.24 : 3,006.84 = 688.05 : x
  2. Step 2: Convert to fraction form
    2,004.24/3,006.84 = 688.05/x
  3. Step 3: Cross multiply
    2,004.24x = 3,006.84 × 688.05
  4. Step 4: Simplify right side
    2,004.24x = 2,068,856.26
  5. Step 5: Solve for x
    x = 2,068,856.26/2,004.24
  6. Step 6: Final answer
    x = 1,032.24

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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.