Home / 3,235.47-4,853.20-1,385.38

Finding the Fourth Proportional to 3,235.47, 4,853.20 and 1,385.38

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Solution

The fourth proportional to 3,235.47, 4,853.20 and 1,385.38 is: 2,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.47 : 4,853.20 = 1,385.38 : x
  2. Step 2: Convert to fraction form
    3,235.47/4,853.20 = 1,385.38/x
  3. Step 3: Cross multiply
    3,235.47x = 4,853.20 × 1,385.38
  4. Step 4: Simplify right side
    3,235.47x = 6,723,526.22
  5. Step 5: Solve for x
    x = 6,723,526.22/3,235.47
  6. Step 6: Final answer
    x = 2,078.07

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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.