Home / 4,121.46-5,687.85-2,549.58

Finding the Fourth Proportional to 4,121.46, 5,687.85 and 2,549.58

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Solution

The fourth proportional to 4,121.46, 5,687.85 and 2,549.58 is: 3,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.46 : 5,687.85 = 2,549.58 : x
  2. Step 2: Convert to fraction form
    4,121.46/5,687.85 = 2,549.58/x
  3. Step 3: Cross multiply
    4,121.46x = 5,687.85 × 2,549.58
  4. Step 4: Simplify right side
    4,121.46x = 14,501,628.60
  5. Step 5: Solve for x
    x = 14,501,628.60/4,121.46
  6. Step 6: Final answer
    x = 3,518.57

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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.