Home / 2,263.06-3,390.36-1,335.85

Finding the Fourth Proportional to 2,263.06, 3,390.36 and 1,335.85

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Solution

The fourth proportional to 2,263.06, 3,390.36 and 1,335.85 is: 2,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.06 : 3,390.36 = 1,335.85 : x
  2. Step 2: Convert to fraction form
    2,263.06/3,390.36 = 1,335.85/x
  3. Step 3: Cross multiply
    2,263.06x = 3,390.36 × 1,335.85
  4. Step 4: Simplify right side
    2,263.06x = 4,529,012.41
  5. Step 5: Solve for x
    x = 4,529,012.41/2,263.06
  6. Step 6: Final answer
    x = 2,001.28

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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.