Home / 1,743.77-2,615.65-445.23

Finding the Fourth Proportional to 1,743.77, 2,615.65 and 445.23

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Solution

The fourth proportional to 1,743.77, 2,615.65 and 445.23 is: 667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.77 : 2,615.65 = 445.23 : x
  2. Step 2: Convert to fraction form
    1,743.77/2,615.65 = 445.23/x
  3. Step 3: Cross multiply
    1,743.77x = 2,615.65 × 445.23
  4. Step 4: Simplify right side
    1,743.77x = 1,164,565.85
  5. Step 5: Solve for x
    x = 1,164,565.85/1,743.77
  6. Step 6: Final answer
    x = 667.84

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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.