Home / 1,545.45-2,318.06-1,200.99

Finding the Fourth Proportional to 1,545.45, 2,318.06 and 1,200.99

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Solution

The fourth proportional to 1,545.45, 2,318.06 and 1,200.99 is: 1,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.45 : 2,318.06 = 1,200.99 : x
  2. Step 2: Convert to fraction form
    1,545.45/2,318.06 = 1,200.99/x
  3. Step 3: Cross multiply
    1,545.45x = 2,318.06 × 1,200.99
  4. Step 4: Simplify right side
    1,545.45x = 2,783,960.87
  5. Step 5: Solve for x
    x = 2,783,960.87/1,545.45
  6. Step 6: Final answer
    x = 1,801.39

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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.