Home / 3,338.89-5,008.64-1,147.64

Finding the Fourth Proportional to 3,338.89, 5,008.64 and 1,147.64

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Solution

The fourth proportional to 3,338.89, 5,008.64 and 1,147.64 is: 1,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.89 : 5,008.64 = 1,147.64 : x
  2. Step 2: Convert to fraction form
    3,338.89/5,008.64 = 1,147.64/x
  3. Step 3: Cross multiply
    3,338.89x = 5,008.64 × 1,147.64
  4. Step 4: Simplify right side
    3,338.89x = 5,748,084.83
  5. Step 5: Solve for x
    x = 5,748,084.83/3,338.89
  6. Step 6: Final answer
    x = 1,721.56

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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.