Home / 1,166.01-1,749.48-1,147.58

Finding the Fourth Proportional to 1,166.01, 1,749.48 and 1,147.58

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Solution

The fourth proportional to 1,166.01, 1,749.48 and 1,147.58 is: 1,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.01 : 1,749.48 = 1,147.58 : x
  2. Step 2: Convert to fraction form
    1,166.01/1,749.48 = 1,147.58/x
  3. Step 3: Cross multiply
    1,166.01x = 1,749.48 × 1,147.58
  4. Step 4: Simplify right side
    1,166.01x = 2,007,668.26
  5. Step 5: Solve for x
    x = 2,007,668.26/1,166.01
  6. Step 6: Final answer
    x = 1,721.83

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1.5x scale

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.