Home / 1,639.24-2,262.12-893.17

Finding the Fourth Proportional to 1,639.24, 2,262.12 and 893.17

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Solution

The fourth proportional to 1,639.24, 2,262.12 and 893.17 is: 1,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.24 : 2,262.12 = 893.17 : x
  2. Step 2: Convert to fraction form
    1,639.24/2,262.12 = 893.17/x
  3. Step 3: Cross multiply
    1,639.24x = 2,262.12 × 893.17
  4. Step 4: Simplify right side
    1,639.24x = 2,020,457.72
  5. Step 5: Solve for x
    x = 2,020,457.72/1,639.24
  6. Step 6: Final answer
    x = 1,232.56

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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.