Home / 1,193.90-1,789.20-1,051.34

Finding the Fourth Proportional to 1,193.90, 1,789.20 and 1,051.34

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Solution

The fourth proportional to 1,193.90, 1,789.20 and 1,051.34 is: 1,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.90 : 1,789.20 = 1,051.34 : x
  2. Step 2: Convert to fraction form
    1,193.90/1,789.20 = 1,051.34/x
  3. Step 3: Cross multiply
    1,193.90x = 1,789.20 × 1,051.34
  4. Step 4: Simplify right side
    1,193.90x = 1,881,048.58
  5. Step 5: Solve for x
    x = 1,881,048.58/1,193.90
  6. Step 6: Final answer
    x = 1,575.56

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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.