Home / 2,104.11-2,903.63-1,219.91

Finding the Fourth Proportional to 2,104.11, 2,903.63 and 1,219.91

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Solution

The fourth proportional to 2,104.11, 2,903.63 and 1,219.91 is: 1,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.11 : 2,903.63 = 1,219.91 : x
  2. Step 2: Convert to fraction form
    2,104.11/2,903.63 = 1,219.91/x
  3. Step 3: Cross multiply
    2,104.11x = 2,903.63 × 1,219.91
  4. Step 4: Simplify right side
    2,104.11x = 3,542,146.66
  5. Step 5: Solve for x
    x = 3,542,146.66/2,104.11
  6. Step 6: Final answer
    x = 1,683.44

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1.5x scale

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.