Home / 2,798.13-4,197.20-746.13

Finding the Fourth Proportional to 2,798.13, 4,197.20 and 746.13

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Solution

The fourth proportional to 2,798.13, 4,197.20 and 746.13 is: 1,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.13 : 4,197.20 = 746.13 : x
  2. Step 2: Convert to fraction form
    2,798.13/4,197.20 = 746.13/x
  3. Step 3: Cross multiply
    2,798.13x = 4,197.20 × 746.13
  4. Step 4: Simplify right side
    2,798.13x = 3,131,656.84
  5. Step 5: Solve for x
    x = 3,131,656.84/2,798.13
  6. Step 6: Final answer
    x = 1,119.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.