Home / 2,104.79-2,904.60-1,173.29

Finding the Fourth Proportional to 2,104.79, 2,904.60 and 1,173.29

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Solution

The fourth proportional to 2,104.79, 2,904.60 and 1,173.29 is: 1,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.79 : 2,904.60 = 1,173.29 : x
  2. Step 2: Convert to fraction form
    2,104.79/2,904.60 = 1,173.29/x
  3. Step 3: Cross multiply
    2,104.79x = 2,904.60 × 1,173.29
  4. Step 4: Simplify right side
    2,104.79x = 3,407,938.13
  5. Step 5: Solve for x
    x = 3,407,938.13/2,104.79
  6. Step 6: Final answer
    x = 1,619.13

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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.