Home / 2,740.02-4,109.62-2,280.75

Finding the Fourth Proportional to 2,740.02, 4,109.62 and 2,280.75

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Solution

The fourth proportional to 2,740.02, 4,109.62 and 2,280.75 is: 3,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.02 : 4,109.62 = 2,280.75 : x
  2. Step 2: Convert to fraction form
    2,740.02/4,109.62 = 2,280.75/x
  3. Step 3: Cross multiply
    2,740.02x = 4,109.62 × 2,280.75
  4. Step 4: Simplify right side
    2,740.02x = 9,373,015.82
  5. Step 5: Solve for x
    x = 9,373,015.82/2,740.02
  6. Step 6: Final answer
    x = 3,420.78

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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.