Home / 3,740.10-5,160.74-2,167.89

Finding the Fourth Proportional to 3,740.10, 5,160.74 and 2,167.89

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Solution

The fourth proportional to 3,740.10, 5,160.74 and 2,167.89 is: 2,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.10 : 5,160.74 = 2,167.89 : x
  2. Step 2: Convert to fraction form
    3,740.10/5,160.74 = 2,167.89/x
  3. Step 3: Cross multiply
    3,740.10x = 5,160.74 × 2,167.89
  4. Step 4: Simplify right side
    3,740.10x = 11,187,905.80
  5. Step 5: Solve for x
    x = 11,187,905.80/3,740.10
  6. Step 6: Final answer
    x = 2,991.34

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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.