Home / 1,639.38-2,446.40-1,464.18

Finding the Fourth Proportional to 1,639.38, 2,446.40 and 1,464.18

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Solution

The fourth proportional to 1,639.38, 2,446.40 and 1,464.18 is: 2,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.38 : 2,446.40 = 1,464.18 : x
  2. Step 2: Convert to fraction form
    1,639.38/2,446.40 = 1,464.18/x
  3. Step 3: Cross multiply
    1,639.38x = 2,446.40 × 1,464.18
  4. Step 4: Simplify right side
    1,639.38x = 3,581,969.95
  5. Step 5: Solve for x
    x = 3,581,969.95/1,639.38
  6. Step 6: Final answer
    x = 2,184.95

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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.