Home / 2,967.09-4,097.30-2,381.91

Finding the Fourth Proportional to 2,967.09, 4,097.30 and 2,381.91

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Solution

The fourth proportional to 2,967.09, 4,097.30 and 2,381.91 is: 3,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.09 : 4,097.30 = 2,381.91 : x
  2. Step 2: Convert to fraction form
    2,967.09/4,097.30 = 2,381.91/x
  3. Step 3: Cross multiply
    2,967.09x = 4,097.30 × 2,381.91
  4. Step 4: Simplify right side
    2,967.09x = 9,759,399.84
  5. Step 5: Solve for x
    x = 9,759,399.84/2,967.09
  6. Step 6: Final answer
    x = 3,289.22

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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.