Home / 3,885.06-5,364.54-3,167.35

Finding the Fourth Proportional to 3,885.06, 5,364.54 and 3,167.35

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Solution

The fourth proportional to 3,885.06, 5,364.54 and 3,167.35 is: 4,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.06 : 5,364.54 = 3,167.35 : x
  2. Step 2: Convert to fraction form
    3,885.06/5,364.54 = 3,167.35/x
  3. Step 3: Cross multiply
    3,885.06x = 5,364.54 × 3,167.35
  4. Step 4: Simplify right side
    3,885.06x = 16,991,375.77
  5. Step 5: Solve for x
    x = 16,991,375.77/3,885.06
  6. Step 6: Final answer
    x = 4,373.52

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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.