Home / 3,931.54-5,897.31-1,739.68

Finding the Fourth Proportional to 3,931.54, 5,897.31 and 1,739.68

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Solution

The fourth proportional to 3,931.54, 5,897.31 and 1,739.68 is: 2,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.54 : 5,897.31 = 1,739.68 : x
  2. Step 2: Convert to fraction form
    3,931.54/5,897.31 = 1,739.68/x
  3. Step 3: Cross multiply
    3,931.54x = 5,897.31 × 1,739.68
  4. Step 4: Simplify right side
    3,931.54x = 10,259,432.26
  5. Step 5: Solve for x
    x = 10,259,432.26/3,931.54
  6. Step 6: Final answer
    x = 2,609.52

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Similar ratio
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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.