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Finding the Fourth Proportional to 2,451.10, 3,676.59 and 806.98

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Solution

The fourth proportional to 2,451.10, 3,676.59 and 806.98 is: 1,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.10 : 3,676.59 = 806.98 : x
  2. Step 2: Convert to fraction form
    2,451.10/3,676.59 = 806.98/x
  3. Step 3: Cross multiply
    2,451.10x = 3,676.59 × 806.98
  4. Step 4: Simplify right side
    2,451.10x = 2,966,934.60
  5. Step 5: Solve for x
    x = 2,966,934.60/2,451.10
  6. Step 6: Final answer
    x = 1,210.45

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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.