Home / 1,639.27-2,261.73-1,010.04

Finding the Fourth Proportional to 1,639.27, 2,261.73 and 1,010.04

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Solution

The fourth proportional to 1,639.27, 2,261.73 and 1,010.04 is: 1,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.27 : 2,261.73 = 1,010.04 : x
  2. Step 2: Convert to fraction form
    1,639.27/2,261.73 = 1,010.04/x
  3. Step 3: Cross multiply
    1,639.27x = 2,261.73 × 1,010.04
  4. Step 4: Simplify right side
    1,639.27x = 2,284,437.77
  5. Step 5: Solve for x
    x = 2,284,437.77/1,639.27
  6. Step 6: Final answer
    x = 1,393.57

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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.