Home / 3,638.12-5,022.51-2,449.35

Finding the Fourth Proportional to 3,638.12, 5,022.51 and 2,449.35

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Solution

The fourth proportional to 3,638.12, 5,022.51 and 2,449.35 is: 3,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.12 : 5,022.51 = 2,449.35 : x
  2. Step 2: Convert to fraction form
    3,638.12/5,022.51 = 2,449.35/x
  3. Step 3: Cross multiply
    3,638.12x = 5,022.51 × 2,449.35
  4. Step 4: Simplify right side
    3,638.12x = 12,301,884.87
  5. Step 5: Solve for x
    x = 12,301,884.87/3,638.12
  6. Step 6: Final answer
    x = 3,381.39

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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.