Home / 2,911.09-4,017.35-1,584.82

Finding the Fourth Proportional to 2,911.09, 4,017.35 and 1,584.82

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Solution

The fourth proportional to 2,911.09, 4,017.35 and 1,584.82 is: 2,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.09 : 4,017.35 = 1,584.82 : x
  2. Step 2: Convert to fraction form
    2,911.09/4,017.35 = 1,584.82/x
  3. Step 3: Cross multiply
    2,911.09x = 4,017.35 × 1,584.82
  4. Step 4: Simplify right side
    2,911.09x = 6,366,754.10
  5. Step 5: Solve for x
    x = 6,366,754.10/2,911.09
  6. Step 6: Final answer
    x = 2,187.07

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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.