Home / 2,451.10-3,677.09-808.10

Finding the Fourth Proportional to 2,451.10, 3,677.09 and 808.10

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Solution

The fourth proportional to 2,451.10, 3,677.09 and 808.10 is: 1,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.10 : 3,677.09 = 808.10 : x
  2. Step 2: Convert to fraction form
    2,451.10/3,677.09 = 808.10/x
  3. Step 3: Cross multiply
    2,451.10x = 3,677.09 × 808.10
  4. Step 4: Simplify right side
    2,451.10x = 2,971,456.43
  5. Step 5: Solve for x
    x = 2,971,456.43/2,451.10
  6. Step 6: Final answer
    x = 1,212.30

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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.