Home / 3,449.58-5,141.40-2,788.62

Finding the Fourth Proportional to 3,449.58, 5,141.40 and 2,788.62

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Solution

The fourth proportional to 3,449.58, 5,141.40 and 2,788.62 is: 4,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.58 : 5,141.40 = 2,788.62 : x
  2. Step 2: Convert to fraction form
    3,449.58/5,141.40 = 2,788.62/x
  3. Step 3: Cross multiply
    3,449.58x = 5,141.40 × 2,788.62
  4. Step 4: Simplify right side
    3,449.58x = 14,337,410.87
  5. Step 5: Solve for x
    x = 14,337,410.87/3,449.58
  6. Step 6: Final answer
    x = 4,156.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.