Home / 3,020.34-4,530.53-1,375.74

Finding the Fourth Proportional to 3,020.34, 4,530.53 and 1,375.74

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Solution

The fourth proportional to 3,020.34, 4,530.53 and 1,375.74 is: 2,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.34 : 4,530.53 = 1,375.74 : x
  2. Step 2: Convert to fraction form
    3,020.34/4,530.53 = 1,375.74/x
  3. Step 3: Cross multiply
    3,020.34x = 4,530.53 × 1,375.74
  4. Step 4: Simplify right side
    3,020.34x = 6,232,824.46
  5. Step 5: Solve for x
    x = 6,232,824.46/3,020.34
  6. Step 6: Final answer
    x = 2,063.62

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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.