Home / 1,639.32-2,446.38-1,464.16

Finding the Fourth Proportional to 1,639.32, 2,446.38 and 1,464.16

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Solution

The fourth proportional to 1,639.32, 2,446.38 and 1,464.16 is: 2,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.32 : 2,446.38 = 1,464.16 : x
  2. Step 2: Convert to fraction form
    1,639.32/2,446.38 = 1,464.16/x
  3. Step 3: Cross multiply
    1,639.32x = 2,446.38 × 1,464.16
  4. Step 4: Simplify right side
    1,639.32x = 3,581,879.51
  5. Step 5: Solve for x
    x = 3,581,879.51/1,639.32
  6. Step 6: Final answer
    x = 2,184.98

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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.