Home / 2,750.14-4,123.67-900.76

Finding the Fourth Proportional to 2,750.14, 4,123.67 and 900.76

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Solution

The fourth proportional to 2,750.14, 4,123.67 and 900.76 is: 1,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.14 : 4,123.67 = 900.76 : x
  2. Step 2: Convert to fraction form
    2,750.14/4,123.67 = 900.76/x
  3. Step 3: Cross multiply
    2,750.14x = 4,123.67 × 900.76
  4. Step 4: Simplify right side
    2,750.14x = 3,714,436.99
  5. Step 5: Solve for x
    x = 3,714,436.99/2,750.14
  6. Step 6: Final answer
    x = 1,350.64

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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.