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Finding the Fourth Proportional to 2,856.04, 4,284.02 and 804.04

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Solution

The fourth proportional to 2,856.04, 4,284.02 and 804.04 is: 1,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.04 : 4,284.02 = 804.04 : x
  2. Step 2: Convert to fraction form
    2,856.04/4,284.02 = 804.04/x
  3. Step 3: Cross multiply
    2,856.04x = 4,284.02 × 804.04
  4. Step 4: Simplify right side
    2,856.04x = 3,444,523.44
  5. Step 5: Solve for x
    x = 3,444,523.44/2,856.04
  6. Step 6: Final answer
    x = 1,206.05

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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.