Home / 3,729.93-5,147.45-2,051.42

Finding the Fourth Proportional to 3,729.93, 5,147.45 and 2,051.42

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Solution

The fourth proportional to 3,729.93, 5,147.45 and 2,051.42 is: 2,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.93 : 5,147.45 = 2,051.42 : x
  2. Step 2: Convert to fraction form
    3,729.93/5,147.45 = 2,051.42/x
  3. Step 3: Cross multiply
    3,729.93x = 5,147.45 × 2,051.42
  4. Step 4: Simplify right side
    3,729.93x = 10,559,545.88
  5. Step 5: Solve for x
    x = 10,559,545.88/3,729.93
  6. Step 6: Final answer
    x = 2,831.03

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1.5x scale

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.