Home / 2,639.87-3,642.64-1,460.94

Finding the Fourth Proportional to 2,639.87, 3,642.64 and 1,460.94

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Solution

The fourth proportional to 2,639.87, 3,642.64 and 1,460.94 is: 2,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.87 : 3,642.64 = 1,460.94 : x
  2. Step 2: Convert to fraction form
    2,639.87/3,642.64 = 1,460.94/x
  3. Step 3: Cross multiply
    2,639.87x = 3,642.64 × 1,460.94
  4. Step 4: Simplify right side
    2,639.87x = 5,321,661.17
  5. Step 5: Solve for x
    x = 5,321,661.17/2,639.87
  6. Step 6: Final answer
    x = 2,015.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.