Home / 2,114.14-3,169.49-882.47

Finding the Fourth Proportional to 2,114.14, 3,169.49 and 882.47

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Solution

The fourth proportional to 2,114.14, 3,169.49 and 882.47 is: 1,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.14 : 3,169.49 = 882.47 : x
  2. Step 2: Convert to fraction form
    2,114.14/3,169.49 = 882.47/x
  3. Step 3: Cross multiply
    2,114.14x = 3,169.49 × 882.47
  4. Step 4: Simplify right side
    2,114.14x = 2,796,959.58
  5. Step 5: Solve for x
    x = 2,796,959.58/2,114.14
  6. Step 6: Final answer
    x = 1,322.98

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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.