Home / 3,357.05-5,031.38-2,381.06

Finding the Fourth Proportional to 3,357.05, 5,031.38 and 2,381.06

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Solution

The fourth proportional to 3,357.05, 5,031.38 and 2,381.06 is: 3,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.05 : 5,031.38 = 2,381.06 : x
  2. Step 2: Convert to fraction form
    3,357.05/5,031.38 = 2,381.06/x
  3. Step 3: Cross multiply
    3,357.05x = 5,031.38 × 2,381.06
  4. Step 4: Simplify right side
    3,357.05x = 11,980,036.19
  5. Step 5: Solve for x
    x = 11,980,036.19/3,357.05
  6. Step 6: Final answer
    x = 3,568.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.