Home / 2,452.12-3,678.01-808.13

Finding the Fourth Proportional to 2,452.12, 3,678.01 and 808.13

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Solution

The fourth proportional to 2,452.12, 3,678.01 and 808.13 is: 1,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.12 : 3,678.01 = 808.13 : x
  2. Step 2: Convert to fraction form
    2,452.12/3,678.01 = 808.13/x
  3. Step 3: Cross multiply
    2,452.12x = 3,678.01 × 808.13
  4. Step 4: Simplify right side
    2,452.12x = 2,972,296.71
  5. Step 5: Solve for x
    x = 2,972,296.71/2,452.12
  6. Step 6: Final answer
    x = 1,212.13

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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.