Home / 2,104.20-2,903.52-1,264.74

Finding the Fourth Proportional to 2,104.20, 2,903.52 and 1,264.74

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Solution

The fourth proportional to 2,104.20, 2,903.52 and 1,264.74 is: 1,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.20 : 2,903.52 = 1,264.74 : x
  2. Step 2: Convert to fraction form
    2,104.20/2,903.52 = 1,264.74/x
  3. Step 3: Cross multiply
    2,104.20x = 2,903.52 × 1,264.74
  4. Step 4: Simplify right side
    2,104.20x = 3,672,197.88
  5. Step 5: Solve for x
    x = 3,672,197.88/2,104.20
  6. Step 6: Final answer
    x = 1,745.18

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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.