Home / 3,662.24-5,486.48-1,811.20

Finding the Fourth Proportional to 3,662.24, 5,486.48 and 1,811.20

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Solution

The fourth proportional to 3,662.24, 5,486.48 and 1,811.20 is: 2,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.24 : 5,486.48 = 1,811.20 : x
  2. Step 2: Convert to fraction form
    3,662.24/5,486.48 = 1,811.20/x
  3. Step 3: Cross multiply
    3,662.24x = 5,486.48 × 1,811.20
  4. Step 4: Simplify right side
    3,662.24x = 9,937,112.58
  5. Step 5: Solve for x
    x = 9,937,112.58/3,662.24
  6. Step 6: Final answer
    x = 2,713.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.