Home / 2,619.49-3,927.79-1,156.93

Finding the Fourth Proportional to 2,619.49, 3,927.79 and 1,156.93

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Solution

The fourth proportional to 2,619.49, 3,927.79 and 1,156.93 is: 1,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.49 : 3,927.79 = 1,156.93 : x
  2. Step 2: Convert to fraction form
    2,619.49/3,927.79 = 1,156.93/x
  3. Step 3: Cross multiply
    2,619.49x = 3,927.79 × 1,156.93
  4. Step 4: Simplify right side
    2,619.49x = 4,544,178.08
  5. Step 5: Solve for x
    x = 4,544,178.08/2,619.49
  6. Step 6: Final answer
    x = 1,734.76

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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.