Home / 3,880.42-5,810.30-2,650.23

Finding the Fourth Proportional to 3,880.42, 5,810.30 and 2,650.23

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Solution

The fourth proportional to 3,880.42, 5,810.30 and 2,650.23 is: 3,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.42 : 5,810.30 = 2,650.23 : x
  2. Step 2: Convert to fraction form
    3,880.42/5,810.30 = 2,650.23/x
  3. Step 3: Cross multiply
    3,880.42x = 5,810.30 × 2,650.23
  4. Step 4: Simplify right side
    3,880.42x = 15,398,628.06
  5. Step 5: Solve for x
    x = 15,398,628.06/3,880.42
  6. Step 6: Final answer
    x = 3,968.29

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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.