Home / 4,156.87-5,735.69-2,478.44

Finding the Fourth Proportional to 4,156.87, 5,735.69 and 2,478.44

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Solution

The fourth proportional to 4,156.87, 5,735.69 and 2,478.44 is: 3,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.87 : 5,735.69 = 2,478.44 : x
  2. Step 2: Convert to fraction form
    4,156.87/5,735.69 = 2,478.44/x
  3. Step 3: Cross multiply
    4,156.87x = 5,735.69 × 2,478.44
  4. Step 4: Simplify right side
    4,156.87x = 14,215,534.85
  5. Step 5: Solve for x
    x = 14,215,534.85/4,156.87
  6. Step 6: Final answer
    x = 3,419.77

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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.