Home / 3,881.34-5,352.57-2,622.60

Finding the Fourth Proportional to 3,881.34, 5,352.57 and 2,622.60

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Solution

The fourth proportional to 3,881.34, 5,352.57 and 2,622.60 is: 3,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.34 : 5,352.57 = 2,622.60 : x
  2. Step 2: Convert to fraction form
    3,881.34/5,352.57 = 2,622.60/x
  3. Step 3: Cross multiply
    3,881.34x = 5,352.57 × 2,622.60
  4. Step 4: Simplify right side
    3,881.34x = 14,037,650.08
  5. Step 5: Solve for x
    x = 14,037,650.08/3,881.34
  6. Step 6: Final answer
    x = 3,616.70

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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.