Home / 1,639.00-2,261.42-1,001.27

Finding the Fourth Proportional to 1,639.00, 2,261.42 and 1,001.27

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Solution

The fourth proportional to 1,639.00, 2,261.42 and 1,001.27 is: 1,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.00 : 2,261.42 = 1,001.27 : x
  2. Step 2: Convert to fraction form
    1,639.00/2,261.42 = 1,001.27/x
  3. Step 3: Cross multiply
    1,639.00x = 2,261.42 × 1,001.27
  4. Step 4: Simplify right side
    1,639.00x = 2,264,292.65
  5. Step 5: Solve for x
    x = 2,264,292.65/1,639.00
  6. Step 6: Final answer
    x = 1,381.51

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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.