Home / 1,943.22-2,681.61-1,157.22

Finding the Fourth Proportional to 1,943.22, 2,681.61 and 1,157.22

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Solution

The fourth proportional to 1,943.22, 2,681.61 and 1,157.22 is: 1,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.22 : 2,681.61 = 1,157.22 : x
  2. Step 2: Convert to fraction form
    1,943.22/2,681.61 = 1,157.22/x
  3. Step 3: Cross multiply
    1,943.22x = 2,681.61 × 1,157.22
  4. Step 4: Simplify right side
    1,943.22x = 3,103,212.72
  5. Step 5: Solve for x
    x = 3,103,212.72/1,943.22
  6. Step 6: Final answer
    x = 1,596.94

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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.