Home / 3,021.80-4,530.56-1,376.07

Finding the Fourth Proportional to 3,021.80, 4,530.56 and 1,376.07

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Solution

The fourth proportional to 3,021.80, 4,530.56 and 1,376.07 is: 2,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.80 : 4,530.56 = 1,376.07 : x
  2. Step 2: Convert to fraction form
    3,021.80/4,530.56 = 1,376.07/x
  3. Step 3: Cross multiply
    3,021.80x = 4,530.56 × 1,376.07
  4. Step 4: Simplify right side
    3,021.80x = 6,234,360.82
  5. Step 5: Solve for x
    x = 6,234,360.82/3,021.80
  6. Step 6: Final answer
    x = 2,063.13

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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.