Home / 3,207.40-4,426.09-1,791.01

Finding the Fourth Proportional to 3,207.40, 4,426.09 and 1,791.01

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Solution

The fourth proportional to 3,207.40, 4,426.09 and 1,791.01 is: 2,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.40 : 4,426.09 = 1,791.01 : x
  2. Step 2: Convert to fraction form
    3,207.40/4,426.09 = 1,791.01/x
  3. Step 3: Cross multiply
    3,207.40x = 4,426.09 × 1,791.01
  4. Step 4: Simplify right side
    3,207.40x = 7,927,172.51
  5. Step 5: Solve for x
    x = 7,927,172.51/3,207.40
  6. Step 6: Final answer
    x = 2,471.53

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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.