Home / 2,510.26-3,765.18-1,123.54

Finding the Fourth Proportional to 2,510.26, 3,765.18 and 1,123.54

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Solution

The fourth proportional to 2,510.26, 3,765.18 and 1,123.54 is: 1,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.26 : 3,765.18 = 1,123.54 : x
  2. Step 2: Convert to fraction form
    2,510.26/3,765.18 = 1,123.54/x
  3. Step 3: Cross multiply
    2,510.26x = 3,765.18 × 1,123.54
  4. Step 4: Simplify right side
    2,510.26x = 4,230,311.51
  5. Step 5: Solve for x
    x = 4,230,311.51/2,510.26
  6. Step 6: Final answer
    x = 1,685.21

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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.