Home / 2,036.94-3,055.66-649.79

Finding the Fourth Proportional to 2,036.94, 3,055.66 and 649.79

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Solution

The fourth proportional to 2,036.94, 3,055.66 and 649.79 is: 974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.94 : 3,055.66 = 649.79 : x
  2. Step 2: Convert to fraction form
    2,036.94/3,055.66 = 649.79/x
  3. Step 3: Cross multiply
    2,036.94x = 3,055.66 × 649.79
  4. Step 4: Simplify right side
    2,036.94x = 1,985,537.31
  5. Step 5: Solve for x
    x = 1,985,537.31/2,036.94
  6. Step 6: Final answer
    x = 974.76

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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.