Home / 2,104.54-2,904.21-1,160.35

Finding the Fourth Proportional to 2,104.54, 2,904.21 and 1,160.35

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Solution

The fourth proportional to 2,104.54, 2,904.21 and 1,160.35 is: 1,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.54 : 2,904.21 = 1,160.35 : x
  2. Step 2: Convert to fraction form
    2,104.54/2,904.21 = 1,160.35/x
  3. Step 3: Cross multiply
    2,104.54x = 2,904.21 × 1,160.35
  4. Step 4: Simplify right side
    2,104.54x = 3,369,900.07
  5. Step 5: Solve for x
    x = 3,369,900.07/2,104.54
  6. Step 6: Final answer
    x = 1,601.25

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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.