Home / 3,357.20-4,627.55-2,280.14

Finding the Fourth Proportional to 3,357.20, 4,627.55 and 2,280.14

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Solution

The fourth proportional to 3,357.20, 4,627.55 and 2,280.14 is: 3,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.20 : 4,627.55 = 2,280.14 : x
  2. Step 2: Convert to fraction form
    3,357.20/4,627.55 = 2,280.14/x
  3. Step 3: Cross multiply
    3,357.20x = 4,627.55 × 2,280.14
  4. Step 4: Simplify right side
    3,357.20x = 10,551,427.32
  5. Step 5: Solve for x
    x = 10,551,427.32/3,357.20
  6. Step 6: Final answer
    x = 3,142.93

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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.