Home / 1,973.52-2,723.46-1,187.58

Finding the Fourth Proportional to 1,973.52, 2,723.46 and 1,187.58

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Solution

The fourth proportional to 1,973.52, 2,723.46 and 1,187.58 is: 1,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.52 : 2,723.46 = 1,187.58 : x
  2. Step 2: Convert to fraction form
    1,973.52/2,723.46 = 1,187.58/x
  3. Step 3: Cross multiply
    1,973.52x = 2,723.46 × 1,187.58
  4. Step 4: Simplify right side
    1,973.52x = 3,234,326.63
  5. Step 5: Solve for x
    x = 3,234,326.63/1,973.52
  6. Step 6: Final answer
    x = 1,638.86

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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.