Home / 2,969.06-4,097.41-1,642.89

Finding the Fourth Proportional to 2,969.06, 4,097.41 and 1,642.89

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Solution

The fourth proportional to 2,969.06, 4,097.41 and 1,642.89 is: 2,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.06 : 4,097.41 = 1,642.89 : x
  2. Step 2: Convert to fraction form
    2,969.06/4,097.41 = 1,642.89/x
  3. Step 3: Cross multiply
    2,969.06x = 4,097.41 × 1,642.89
  4. Step 4: Simplify right side
    2,969.06x = 6,731,593.91
  5. Step 5: Solve for x
    x = 6,731,593.91/2,969.06
  6. Step 6: Final answer
    x = 2,267.25

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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.