Home / 2,126.08-2,934.03-1,181.95

Finding the Fourth Proportional to 2,126.08, 2,934.03 and 1,181.95

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Solution

The fourth proportional to 2,126.08, 2,934.03 and 1,181.95 is: 1,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.08 : 2,934.03 = 1,181.95 : x
  2. Step 2: Convert to fraction form
    2,126.08/2,934.03 = 1,181.95/x
  3. Step 3: Cross multiply
    2,126.08x = 2,934.03 × 1,181.95
  4. Step 4: Simplify right side
    2,126.08x = 3,467,876.76
  5. Step 5: Solve for x
    x = 3,467,876.76/2,126.08
  6. Step 6: Final answer
    x = 1,631.11

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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.