Home / 3,853.02-5,317.14-2,174.39

Finding the Fourth Proportional to 3,853.02, 5,317.14 and 2,174.39

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Solution

The fourth proportional to 3,853.02, 5,317.14 and 2,174.39 is: 3,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.02 : 5,317.14 = 2,174.39 : x
  2. Step 2: Convert to fraction form
    3,853.02/5,317.14 = 2,174.39/x
  3. Step 3: Cross multiply
    3,853.02x = 5,317.14 × 2,174.39
  4. Step 4: Simplify right side
    3,853.02x = 11,561,509.46
  5. Step 5: Solve for x
    x = 11,561,509.46/3,853.02
  6. Step 6: Final answer
    x = 3,000.64

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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.