Home / 3,573.38-5,360.46-1,381.76

Finding the Fourth Proportional to 3,573.38, 5,360.46 and 1,381.76

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Solution

The fourth proportional to 3,573.38, 5,360.46 and 1,381.76 is: 2,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.38 : 5,360.46 = 1,381.76 : x
  2. Step 2: Convert to fraction form
    3,573.38/5,360.46 = 1,381.76/x
  3. Step 3: Cross multiply
    3,573.38x = 5,360.46 × 1,381.76
  4. Step 4: Simplify right side
    3,573.38x = 7,406,869.21
  5. Step 5: Solve for x
    x = 7,406,869.21/3,573.38
  6. Step 6: Final answer
    x = 2,072.79

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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.