Home / 2,064.45-3,089.90-1,125.96

Finding the Fourth Proportional to 2,064.45, 3,089.90 and 1,125.96

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Solution

The fourth proportional to 2,064.45, 3,089.90 and 1,125.96 is: 1,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.45 : 3,089.90 = 1,125.96 : x
  2. Step 2: Convert to fraction form
    2,064.45/3,089.90 = 1,125.96/x
  3. Step 3: Cross multiply
    2,064.45x = 3,089.90 × 1,125.96
  4. Step 4: Simplify right side
    2,064.45x = 3,479,098.17
  5. Step 5: Solve for x
    x = 3,479,098.17/2,064.45
  6. Step 6: Final answer
    x = 1,685.24

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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.