Home / 3,740.25-5,160.10-2,146.32

Finding the Fourth Proportional to 3,740.25, 5,160.10 and 2,146.32

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Solution

The fourth proportional to 3,740.25, 5,160.10 and 2,146.32 is: 2,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.25 : 5,160.10 = 2,146.32 : x
  2. Step 2: Convert to fraction form
    3,740.25/5,160.10 = 2,146.32/x
  3. Step 3: Cross multiply
    3,740.25x = 5,160.10 × 2,146.32
  4. Step 4: Simplify right side
    3,740.25x = 11,075,234.17
  5. Step 5: Solve for x
    x = 11,075,234.17/3,740.25
  6. Step 6: Final answer
    x = 2,961.09

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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.