Home / 3,740.29-5,161.17-2,146.51

Finding the Fourth Proportional to 3,740.29, 5,161.17 and 2,146.51

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Solution

The fourth proportional to 3,740.29, 5,161.17 and 2,146.51 is: 2,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.29 : 5,161.17 = 2,146.51 : x
  2. Step 2: Convert to fraction form
    3,740.29/5,161.17 = 2,146.51/x
  3. Step 3: Cross multiply
    3,740.29x = 5,161.17 × 2,146.51
  4. Step 4: Simplify right side
    3,740.29x = 11,078,490.11
  5. Step 5: Solve for x
    x = 11,078,490.11/3,740.29
  6. Step 6: Final answer
    x = 2,961.94

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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.