Home / 2,104.11-2,903.72-1,397.16

Finding the Fourth Proportional to 2,104.11, 2,903.72 and 1,397.16

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Solution

The fourth proportional to 2,104.11, 2,903.72 and 1,397.16 is: 1,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.11 : 2,903.72 = 1,397.16 : x
  2. Step 2: Convert to fraction form
    2,104.11/2,903.72 = 1,397.16/x
  3. Step 3: Cross multiply
    2,104.11x = 2,903.72 × 1,397.16
  4. Step 4: Simplify right side
    2,104.11x = 4,056,954.45
  5. Step 5: Solve for x
    x = 4,056,954.45/2,104.11
  6. Step 6: Final answer
    x = 1,928.11

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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.