Home / 4,156.20-5,735.88-2,388.42

Finding the Fourth Proportional to 4,156.20, 5,735.88 and 2,388.42

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Solution

The fourth proportional to 4,156.20, 5,735.88 and 2,388.42 is: 3,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.20 : 5,735.88 = 2,388.42 : x
  2. Step 2: Convert to fraction form
    4,156.20/5,735.88 = 2,388.42/x
  3. Step 3: Cross multiply
    4,156.20x = 5,735.88 × 2,388.42
  4. Step 4: Simplify right side
    4,156.20x = 13,699,690.51
  5. Step 5: Solve for x
    x = 13,699,690.51/4,156.20
  6. Step 6: Final answer
    x = 3,296.21

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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.