Home / 3,885.35-5,823.51-2,220.64

Finding the Fourth Proportional to 3,885.35, 5,823.51 and 2,220.64

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Solution

The fourth proportional to 3,885.35, 5,823.51 and 2,220.64 is: 3,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.35 : 5,823.51 = 2,220.64 : x
  2. Step 2: Convert to fraction form
    3,885.35/5,823.51 = 2,220.64/x
  3. Step 3: Cross multiply
    3,885.35x = 5,823.51 × 2,220.64
  4. Step 4: Simplify right side
    3,885.35x = 12,931,919.25
  5. Step 5: Solve for x
    x = 12,931,919.25/3,885.35
  6. Step 6: Final answer
    x = 3,328.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.