Home / 3,135.30-4,326.54-1,738.14

Finding the Fourth Proportional to 3,135.30, 4,326.54 and 1,738.14

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Solution

The fourth proportional to 3,135.30, 4,326.54 and 1,738.14 is: 2,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.30 : 4,326.54 = 1,738.14 : x
  2. Step 2: Convert to fraction form
    3,135.30/4,326.54 = 1,738.14/x
  3. Step 3: Cross multiply
    3,135.30x = 4,326.54 × 1,738.14
  4. Step 4: Simplify right side
    3,135.30x = 7,520,132.24
  5. Step 5: Solve for x
    x = 7,520,132.24/3,135.30
  6. Step 6: Final answer
    x = 2,398.54

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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.