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Finding the Fourth Proportional to 1,973.86, 2,724.27 and 1,265.49

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Solution

The fourth proportional to 1,973.86, 2,724.27 and 1,265.49 is: 1,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.86 : 2,724.27 = 1,265.49 : x
  2. Step 2: Convert to fraction form
    1,973.86/2,724.27 = 1,265.49/x
  3. Step 3: Cross multiply
    1,973.86x = 2,724.27 × 1,265.49
  4. Step 4: Simplify right side
    1,973.86x = 3,447,536.44
  5. Step 5: Solve for x
    x = 3,447,536.44/1,973.86
  6. Step 6: Final answer
    x = 1,746.60

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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.