Home / 4,321.59-5,961.38-2,921.91

Finding the Fourth Proportional to 4,321.59, 5,961.38 and 2,921.91

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Solution

The fourth proportional to 4,321.59, 5,961.38 and 2,921.91 is: 4,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.59 : 5,961.38 = 2,921.91 : x
  2. Step 2: Convert to fraction form
    4,321.59/5,961.38 = 2,921.91/x
  3. Step 3: Cross multiply
    4,321.59x = 5,961.38 × 2,921.91
  4. Step 4: Simplify right side
    4,321.59x = 17,418,601.23
  5. Step 5: Solve for x
    x = 17,418,601.23/4,321.59
  6. Step 6: Final answer
    x = 4,030.60

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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.