Home / 2,321.55-3,477.51-1,930.59

Finding the Fourth Proportional to 2,321.55, 3,477.51 and 1,930.59

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Solution

The fourth proportional to 2,321.55, 3,477.51 and 1,930.59 is: 2,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.55 : 3,477.51 = 1,930.59 : x
  2. Step 2: Convert to fraction form
    2,321.55/3,477.51 = 1,930.59/x
  3. Step 3: Cross multiply
    2,321.55x = 3,477.51 × 1,930.59
  4. Step 4: Simplify right side
    2,321.55x = 6,713,646.03
  5. Step 5: Solve for x
    x = 6,713,646.03/2,321.55
  6. Step 6: Final answer
    x = 2,891.88

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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.