Home / 1,927.19-2,658.26-1,180.88

Finding the Fourth Proportional to 1,927.19, 2,658.26 and 1,180.88

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Solution

The fourth proportional to 1,927.19, 2,658.26 and 1,180.88 is: 1,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.19 : 2,658.26 = 1,180.88 : x
  2. Step 2: Convert to fraction form
    1,927.19/2,658.26 = 1,180.88/x
  3. Step 3: Cross multiply
    1,927.19x = 2,658.26 × 1,180.88
  4. Step 4: Simplify right side
    1,927.19x = 3,139,066.87
  5. Step 5: Solve for x
    x = 3,139,066.87/1,927.19
  6. Step 6: Final answer
    x = 1,628.84

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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.