Home / 3,388.64-4,675.62-2,270.99

Finding the Fourth Proportional to 3,388.64, 4,675.62 and 2,270.99

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Solution

The fourth proportional to 3,388.64, 4,675.62 and 2,270.99 is: 3,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.64 : 4,675.62 = 2,270.99 : x
  2. Step 2: Convert to fraction form
    3,388.64/4,675.62 = 2,270.99/x
  3. Step 3: Cross multiply
    3,388.64x = 4,675.62 × 2,270.99
  4. Step 4: Simplify right side
    3,388.64x = 10,618,280.17
  5. Step 5: Solve for x
    x = 10,618,280.17/3,388.64
  6. Step 6: Final answer
    x = 3,133.50

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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.