Home / 3,135.38-4,697.92-1,903.18

Finding the Fourth Proportional to 3,135.38, 4,697.92 and 1,903.18

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Solution

The fourth proportional to 3,135.38, 4,697.92 and 1,903.18 is: 2,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.38 : 4,697.92 = 1,903.18 : x
  2. Step 2: Convert to fraction form
    3,135.38/4,697.92 = 1,903.18/x
  3. Step 3: Cross multiply
    3,135.38x = 4,697.92 × 1,903.18
  4. Step 4: Simplify right side
    3,135.38x = 8,940,987.39
  5. Step 5: Solve for x
    x = 8,940,987.39/3,135.38
  6. Step 6: Final answer
    x = 2,851.64

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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.