Home / 3,135.50-4,327.14-1,738.25

Finding the Fourth Proportional to 3,135.50, 4,327.14 and 1,738.25

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Solution

The fourth proportional to 3,135.50, 4,327.14 and 1,738.25 is: 2,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.50 : 4,327.14 = 1,738.25 : x
  2. Step 2: Convert to fraction form
    3,135.50/4,327.14 = 1,738.25/x
  3. Step 3: Cross multiply
    3,135.50x = 4,327.14 × 1,738.25
  4. Step 4: Simplify right side
    3,135.50x = 7,521,651.11
  5. Step 5: Solve for x
    x = 7,521,651.11/3,135.50
  6. Step 6: Final answer
    x = 2,398.87

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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.