Home / 3,833.60-5,746.88-1,235.20

Finding the Fourth Proportional to 3,833.60, 5,746.88 and 1,235.20

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Solution

The fourth proportional to 3,833.60, 5,746.88 and 1,235.20 is: 1,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.60 : 5,746.88 = 1,235.20 : x
  2. Step 2: Convert to fraction form
    3,833.60/5,746.88 = 1,235.20/x
  3. Step 3: Cross multiply
    3,833.60x = 5,746.88 × 1,235.20
  4. Step 4: Simplify right side
    3,833.60x = 7,098,546.18
  5. Step 5: Solve for x
    x = 7,098,546.18/3,833.60
  6. Step 6: Final answer
    x = 1,851.67

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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.