Home / 2,745.02-4,117.12-2,285.75

Finding the Fourth Proportional to 2,745.02, 4,117.12 and 2,285.75

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Solution

The fourth proportional to 2,745.02, 4,117.12 and 2,285.75 is: 3,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.02 : 4,117.12 = 2,285.75 : x
  2. Step 2: Convert to fraction form
    2,745.02/4,117.12 = 2,285.75/x
  3. Step 3: Cross multiply
    2,745.02x = 4,117.12 × 2,285.75
  4. Step 4: Simplify right side
    2,745.02x = 9,410,707.04
  5. Step 5: Solve for x
    x = 9,410,707.04/2,745.02
  6. Step 6: Final answer
    x = 3,428.28

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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.