Home / 2,991.07-4,483.09-1,345.69

Finding the Fourth Proportional to 2,991.07, 4,483.09 and 1,345.69

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Solution

The fourth proportional to 2,991.07, 4,483.09 and 1,345.69 is: 2,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.07 : 4,483.09 = 1,345.69 : x
  2. Step 2: Convert to fraction form
    2,991.07/4,483.09 = 1,345.69/x
  3. Step 3: Cross multiply
    2,991.07x = 4,483.09 × 1,345.69
  4. Step 4: Simplify right side
    2,991.07x = 6,032,849.38
  5. Step 5: Solve for x
    x = 6,032,849.38/2,991.07
  6. Step 6: Final answer
    x = 2,016.95

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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.