Home / 3,853.35-5,317.65-2,174.63

Finding the Fourth Proportional to 3,853.35, 5,317.65 and 2,174.63

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Solution

The fourth proportional to 3,853.35, 5,317.65 and 2,174.63 is: 3,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.35 : 5,317.65 = 2,174.63 : x
  2. Step 2: Convert to fraction form
    3,853.35/5,317.65 = 2,174.63/x
  3. Step 3: Cross multiply
    3,853.35x = 5,317.65 × 2,174.63
  4. Step 4: Simplify right side
    3,853.35x = 11,563,894.63
  5. Step 5: Solve for x
    x = 11,563,894.63/3,853.35
  6. Step 6: Final answer
    x = 3,001.00

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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.