Home / 1,469.85-2,204.20-738.92

Finding the Fourth Proportional to 1,469.85, 2,204.20 and 738.92

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Solution

The fourth proportional to 1,469.85, 2,204.20 and 738.92 is: 1,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.85 : 2,204.20 = 738.92 : x
  2. Step 2: Convert to fraction form
    1,469.85/2,204.20 = 738.92/x
  3. Step 3: Cross multiply
    1,469.85x = 2,204.20 × 738.92
  4. Step 4: Simplify right side
    1,469.85x = 1,628,727.46
  5. Step 5: Solve for x
    x = 1,628,727.46/1,469.85
  6. Step 6: Final answer
    x = 1,108.09

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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.