Home / 3,853.01-5,316.87-2,174.58

Finding the Fourth Proportional to 3,853.01, 5,316.87 and 2,174.58

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Solution

The fourth proportional to 3,853.01, 5,316.87 and 2,174.58 is: 3,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.01 : 5,316.87 = 2,174.58 : x
  2. Step 2: Convert to fraction form
    3,853.01/5,316.87 = 2,174.58/x
  3. Step 3: Cross multiply
    3,853.01x = 5,316.87 × 2,174.58
  4. Step 4: Simplify right side
    3,853.01x = 11,561,959.16
  5. Step 5: Solve for x
    x = 11,561,959.16/3,853.01
  6. Step 6: Final answer
    x = 3,000.76

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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.