Home / 3,900.33-5,851.53-1,126.96

Finding the Fourth Proportional to 3,900.33, 5,851.53 and 1,126.96

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Solution

The fourth proportional to 3,900.33, 5,851.53 and 1,126.96 is: 1,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.33 : 5,851.53 = 1,126.96 : x
  2. Step 2: Convert to fraction form
    3,900.33/5,851.53 = 1,126.96/x
  3. Step 3: Cross multiply
    3,900.33x = 5,851.53 × 1,126.96
  4. Step 4: Simplify right side
    3,900.33x = 6,594,425.62
  5. Step 5: Solve for x
    x = 6,594,425.62/3,900.33
  6. Step 6: Final answer
    x = 1,690.74

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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.