Home / 2,230.00-3,077.57-1,235.37

Finding the Fourth Proportional to 2,230.00, 3,077.57 and 1,235.37

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Solution

The fourth proportional to 2,230.00, 3,077.57 and 1,235.37 is: 1,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.00 : 3,077.57 = 1,235.37 : x
  2. Step 2: Convert to fraction form
    2,230.00/3,077.57 = 1,235.37/x
  3. Step 3: Cross multiply
    2,230.00x = 3,077.57 × 1,235.37
  4. Step 4: Simplify right side
    2,230.00x = 3,801,931.49
  5. Step 5: Solve for x
    x = 3,801,931.49/2,230.00
  6. Step 6: Final answer
    x = 1,704.90

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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.