Home / 1,414.26-1,953.55-1,178.98

Finding the Fourth Proportional to 1,414.26, 1,953.55 and 1,178.98

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Solution

The fourth proportional to 1,414.26, 1,953.55 and 1,178.98 is: 1,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.26 : 1,953.55 = 1,178.98 : x
  2. Step 2: Convert to fraction form
    1,414.26/1,953.55 = 1,178.98/x
  3. Step 3: Cross multiply
    1,414.26x = 1,953.55 × 1,178.98
  4. Step 4: Simplify right side
    1,414.26x = 2,303,196.38
  5. Step 5: Solve for x
    x = 2,303,196.38/1,414.26
  6. Step 6: Final answer
    x = 1,628.55

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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.