Home / 3,754.40-5,181.05-2,075.81

Finding the Fourth Proportional to 3,754.40, 5,181.05 and 2,075.81

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Solution

The fourth proportional to 3,754.40, 5,181.05 and 2,075.81 is: 2,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.40 : 5,181.05 = 2,075.81 : x
  2. Step 2: Convert to fraction form
    3,754.40/5,181.05 = 2,075.81/x
  3. Step 3: Cross multiply
    3,754.40x = 5,181.05 × 2,075.81
  4. Step 4: Simplify right side
    3,754.40x = 10,754,865.02
  5. Step 5: Solve for x
    x = 10,754,865.02/3,754.40
  6. Step 6: Final answer
    x = 2,864.60

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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.