Home / 3,642.90-5,465.70-1,453.20

Finding the Fourth Proportional to 3,642.90, 5,465.70 and 1,453.20

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Solution

The fourth proportional to 3,642.90, 5,465.70 and 1,453.20 is: 2,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.90 : 5,465.70 = 1,453.20 : x
  2. Step 2: Convert to fraction form
    3,642.90/5,465.70 = 1,453.20/x
  3. Step 3: Cross multiply
    3,642.90x = 5,465.70 × 1,453.20
  4. Step 4: Simplify right side
    3,642.90x = 7,942,755.24
  5. Step 5: Solve for x
    x = 7,942,755.24/3,642.90
  6. Step 6: Final answer
    x = 2,180.34

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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.