Home / 1,633.13-2,253.70-887.09

Finding the Fourth Proportional to 1,633.13, 2,253.70 and 887.09

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Solution

The fourth proportional to 1,633.13, 2,253.70 and 887.09 is: 1,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.13 : 2,253.70 = 887.09 : x
  2. Step 2: Convert to fraction form
    1,633.13/2,253.70 = 887.09/x
  3. Step 3: Cross multiply
    1,633.13x = 2,253.70 × 887.09
  4. Step 4: Simplify right side
    1,633.13x = 1,999,219.58
  5. Step 5: Solve for x
    x = 1,999,219.58/1,633.13
  6. Step 6: Final answer
    x = 1,224.16

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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.