Home / 3,956.74-5,466.09-3,122.98

Finding the Fourth Proportional to 3,956.74, 5,466.09 and 3,122.98

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Solution

The fourth proportional to 3,956.74, 5,466.09 and 3,122.98 is: 4,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.74 : 5,466.09 = 3,122.98 : x
  2. Step 2: Convert to fraction form
    3,956.74/5,466.09 = 3,122.98/x
  3. Step 3: Cross multiply
    3,956.74x = 5,466.09 × 3,122.98
  4. Step 4: Simplify right side
    3,956.74x = 17,070,489.75
  5. Step 5: Solve for x
    x = 17,070,489.75/3,956.74
  6. Step 6: Final answer
    x = 4,314.28

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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.