Home / 2,811.12-4,207.48-2,259.60

Finding the Fourth Proportional to 2,811.12, 4,207.48 and 2,259.60

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Solution

The fourth proportional to 2,811.12, 4,207.48 and 2,259.60 is: 3,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.12 : 4,207.48 = 2,259.60 : x
  2. Step 2: Convert to fraction form
    2,811.12/4,207.48 = 2,259.60/x
  3. Step 3: Cross multiply
    2,811.12x = 4,207.48 × 2,259.60
  4. Step 4: Simplify right side
    2,811.12x = 9,507,221.81
  5. Step 5: Solve for x
    x = 9,507,221.81/2,811.12
  6. Step 6: Final answer
    x = 3,382.00

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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.