Home / 3,642.30-5,465.70-1,450.80

Finding the Fourth Proportional to 3,642.30, 5,465.70 and 1,450.80

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Solution

The fourth proportional to 3,642.30, 5,465.70 and 1,450.80 is: 2,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.30 : 5,465.70 = 1,450.80 : x
  2. Step 2: Convert to fraction form
    3,642.30/5,465.70 = 1,450.80/x
  3. Step 3: Cross multiply
    3,642.30x = 5,465.70 × 1,450.80
  4. Step 4: Simplify right side
    3,642.30x = 7,929,637.56
  5. Step 5: Solve for x
    x = 7,929,637.56/3,642.30
  6. Step 6: Final answer
    x = 2,177.10

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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.