Home / 1,833.18-2,531-1,636.36

Finding the Fourth Proportional to 1,833.18, 2,531 and 1,636.36

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Solution

The fourth proportional to 1,833.18, 2,531 and 1,636.36 is: 2,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.18 : 2,531 = 1,636.36 : x
  2. Step 2: Convert to fraction form
    1,833.18/2,531 = 1,636.36/x
  3. Step 3: Cross multiply
    1,833.18x = 2,531 × 1,636.36
  4. Step 4: Simplify right side
    1,833.18x = 4,141,627.16
  5. Step 5: Solve for x
    x = 4,141,627.16/1,833.18
  6. Step 6: Final answer
    x = 2,259.26

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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.