Home / 3,669.10-5,057.46-2,871.08

Finding the Fourth Proportional to 3,669.10, 5,057.46 and 2,871.08

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Solution

The fourth proportional to 3,669.10, 5,057.46 and 2,871.08 is: 3,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.10 : 5,057.46 = 2,871.08 : x
  2. Step 2: Convert to fraction form
    3,669.10/5,057.46 = 2,871.08/x
  3. Step 3: Cross multiply
    3,669.10x = 5,057.46 × 2,871.08
  4. Step 4: Simplify right side
    3,669.10x = 14,520,372.26
  5. Step 5: Solve for x
    x = 14,520,372.26/3,669.10
  6. Step 6: Final answer
    x = 3,957.48

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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.