Home / 2,941.47-4,412.07-1,091.79

Finding the Fourth Proportional to 2,941.47, 4,412.07 and 1,091.79

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Solution

The fourth proportional to 2,941.47, 4,412.07 and 1,091.79 is: 1,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.47 : 4,412.07 = 1,091.79 : x
  2. Step 2: Convert to fraction form
    2,941.47/4,412.07 = 1,091.79/x
  3. Step 3: Cross multiply
    2,941.47x = 4,412.07 × 1,091.79
  4. Step 4: Simplify right side
    2,941.47x = 4,817,053.91
  5. Step 5: Solve for x
    x = 4,817,053.91/2,941.47
  6. Step 6: Final answer
    x = 1,637.63

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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.