Home / 1,639.51-2,446.58-1,464.30

Finding the Fourth Proportional to 1,639.51, 2,446.58 and 1,464.30

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Solution

The fourth proportional to 1,639.51, 2,446.58 and 1,464.30 is: 2,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.51 : 2,446.58 = 1,464.30 : x
  2. Step 2: Convert to fraction form
    1,639.51/2,446.58 = 1,464.30/x
  3. Step 3: Cross multiply
    1,639.51x = 2,446.58 × 1,464.30
  4. Step 4: Simplify right side
    1,639.51x = 3,582,527.09
  5. Step 5: Solve for x
    x = 3,582,527.09/1,639.51
  6. Step 6: Final answer
    x = 2,185.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.