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Finding the Fourth Proportional to 2,858.62, 4,288.12 and 1,104.46

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Solution

The fourth proportional to 2,858.62, 4,288.12 and 1,104.46 is: 1,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.62 : 4,288.12 = 1,104.46 : x
  2. Step 2: Convert to fraction form
    2,858.62/4,288.12 = 1,104.46/x
  3. Step 3: Cross multiply
    2,858.62x = 4,288.12 × 1,104.46
  4. Step 4: Simplify right side
    2,858.62x = 4,736,057.02
  5. Step 5: Solve for x
    x = 4,736,057.02/2,858.62
  6. Step 6: Final answer
    x = 1,656.76

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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.