Home / 1,623.70-2,241.96-1,269.01

Finding the Fourth Proportional to 1,623.70, 2,241.96 and 1,269.01

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Solution

The fourth proportional to 1,623.70, 2,241.96 and 1,269.01 is: 1,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.70 : 2,241.96 = 1,269.01 : x
  2. Step 2: Convert to fraction form
    1,623.70/2,241.96 = 1,269.01/x
  3. Step 3: Cross multiply
    1,623.70x = 2,241.96 × 1,269.01
  4. Step 4: Simplify right side
    1,623.70x = 2,845,069.66
  5. Step 5: Solve for x
    x = 2,845,069.66/1,623.70
  6. Step 6: Final answer
    x = 1,752.21

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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.