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Finding the Fourth Proportional to 2,046.06, 3,069.09 and 891.54

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Solution

The fourth proportional to 2,046.06, 3,069.09 and 891.54 is: 1,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.06 : 3,069.09 = 891.54 : x
  2. Step 2: Convert to fraction form
    2,046.06/3,069.09 = 891.54/x
  3. Step 3: Cross multiply
    2,046.06x = 3,069.09 × 891.54
  4. Step 4: Simplify right side
    2,046.06x = 2,736,216.50
  5. Step 5: Solve for x
    x = 2,736,216.50/2,046.06
  6. Step 6: Final answer
    x = 1,337.31

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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.