Home / 2,639.81-3,643.07-1,460.88

Finding the Fourth Proportional to 2,639.81, 3,643.07 and 1,460.88

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Solution

The fourth proportional to 2,639.81, 3,643.07 and 1,460.88 is: 2,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.81 : 3,643.07 = 1,460.88 : x
  2. Step 2: Convert to fraction form
    2,639.81/3,643.07 = 1,460.88/x
  3. Step 3: Cross multiply
    2,639.81x = 3,643.07 × 1,460.88
  4. Step 4: Simplify right side
    2,639.81x = 5,322,080.80
  5. Step 5: Solve for x
    x = 5,322,080.80/2,639.81
  6. Step 6: Final answer
    x = 2,016.08

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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.