Home / 1,628.14-2,246.81-882.08

Finding the Fourth Proportional to 1,628.14, 2,246.81 and 882.08

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Solution

The fourth proportional to 1,628.14, 2,246.81 and 882.08 is: 1,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.14 : 2,246.81 = 882.08 : x
  2. Step 2: Convert to fraction form
    1,628.14/2,246.81 = 882.08/x
  3. Step 3: Cross multiply
    1,628.14x = 2,246.81 × 882.08
  4. Step 4: Simplify right side
    1,628.14x = 1,981,850.52
  5. Step 5: Solve for x
    x = 1,981,850.52/1,628.14
  6. Step 6: Final answer
    x = 1,217.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.