Home / 3,880.44-5,354.60-2,265.40

Finding the Fourth Proportional to 3,880.44, 5,354.60 and 2,265.40

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Solution

The fourth proportional to 3,880.44, 5,354.60 and 2,265.40 is: 3,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.44 : 5,354.60 = 2,265.40 : x
  2. Step 2: Convert to fraction form
    3,880.44/5,354.60 = 2,265.40/x
  3. Step 3: Cross multiply
    3,880.44x = 5,354.60 × 2,265.40
  4. Step 4: Simplify right side
    3,880.44x = 12,130,310.84
  5. Step 5: Solve for x
    x = 12,130,310.84/3,880.44
  6. Step 6: Final answer
    x = 3,126.01

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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.