Home / 2,288.21-3,430.67-1,850.00

Finding the Fourth Proportional to 2,288.21, 3,430.67 and 1,850.00

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Solution

The fourth proportional to 2,288.21, 3,430.67 and 1,850.00 is: 2,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.21 : 3,430.67 = 1,850.00 : x
  2. Step 2: Convert to fraction form
    2,288.21/3,430.67 = 1,850.00/x
  3. Step 3: Cross multiply
    2,288.21x = 3,430.67 × 1,850.00
  4. Step 4: Simplify right side
    2,288.21x = 6,346,713.10
  5. Step 5: Solve for x
    x = 6,346,713.10/2,288.21
  6. Step 6: Final answer
    x = 2,773.66

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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.