Home / 1,485.50-2,228.33-1,267.65

Finding the Fourth Proportional to 1,485.50, 2,228.33 and 1,267.65

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Solution

The fourth proportional to 1,485.50, 2,228.33 and 1,267.65 is: 1,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.50 : 2,228.33 = 1,267.65 : x
  2. Step 2: Convert to fraction form
    1,485.50/2,228.33 = 1,267.65/x
  3. Step 3: Cross multiply
    1,485.50x = 2,228.33 × 1,267.65
  4. Step 4: Simplify right side
    1,485.50x = 2,824,742.52
  5. Step 5: Solve for x
    x = 2,824,742.52/1,485.50
  6. Step 6: Final answer
    x = 1,901.54

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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.