Home / 3,642.87-5,465.46-1,301.28

Finding the Fourth Proportional to 3,642.87, 5,465.46 and 1,301.28

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Solution

The fourth proportional to 3,642.87, 5,465.46 and 1,301.28 is: 1,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.87 : 5,465.46 = 1,301.28 : x
  2. Step 2: Convert to fraction form
    3,642.87/5,465.46 = 1,301.28/x
  3. Step 3: Cross multiply
    3,642.87x = 5,465.46 × 1,301.28
  4. Step 4: Simplify right side
    3,642.87x = 7,112,120.67
  5. Step 5: Solve for x
    x = 7,112,120.67/3,642.87
  6. Step 6: Final answer
    x = 1,952.34

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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.