Home / 3,000.04-4,500.32-808.89

Finding the Fourth Proportional to 3,000.04, 4,500.32 and 808.89

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Solution

The fourth proportional to 3,000.04, 4,500.32 and 808.89 is: 1,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.04 : 4,500.32 = 808.89 : x
  2. Step 2: Convert to fraction form
    3,000.04/4,500.32 = 808.89/x
  3. Step 3: Cross multiply
    3,000.04x = 4,500.32 × 808.89
  4. Step 4: Simplify right side
    3,000.04x = 3,640,263.84
  5. Step 5: Solve for x
    x = 3,640,263.84/3,000.04
  6. Step 6: Final answer
    x = 1,213.41

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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.