Home / 3,414.41-5,130.88-1,855.56

Finding the Fourth Proportional to 3,414.41, 5,130.88 and 1,855.56

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Solution

The fourth proportional to 3,414.41, 5,130.88 and 1,855.56 is: 2,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.41 : 5,130.88 = 1,855.56 : x
  2. Step 2: Convert to fraction form
    3,414.41/5,130.88 = 1,855.56/x
  3. Step 3: Cross multiply
    3,414.41x = 5,130.88 × 1,855.56
  4. Step 4: Simplify right side
    3,414.41x = 9,520,670.29
  5. Step 5: Solve for x
    x = 9,520,670.29/3,414.41
  6. Step 6: Final answer
    x = 2,788.38

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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.