Home / 3,738.06-5,157.81-2,558.70

Finding the Fourth Proportional to 3,738.06, 5,157.81 and 2,558.70

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Solution

The fourth proportional to 3,738.06, 5,157.81 and 2,558.70 is: 3,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.06 : 5,157.81 = 2,558.70 : x
  2. Step 2: Convert to fraction form
    3,738.06/5,157.81 = 2,558.70/x
  3. Step 3: Cross multiply
    3,738.06x = 5,157.81 × 2,558.70
  4. Step 4: Simplify right side
    3,738.06x = 13,197,288.45
  5. Step 5: Solve for x
    x = 13,197,288.45/3,738.06
  6. Step 6: Final answer
    x = 3,530.52

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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.