Home / 1,423.39-2,125.46-1,163.89

Finding the Fourth Proportional to 1,423.39, 2,125.46 and 1,163.89

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Solution

The fourth proportional to 1,423.39, 2,125.46 and 1,163.89 is: 1,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.39 : 2,125.46 = 1,163.89 : x
  2. Step 2: Convert to fraction form
    1,423.39/2,125.46 = 1,163.89/x
  3. Step 3: Cross multiply
    1,423.39x = 2,125.46 × 1,163.89
  4. Step 4: Simplify right side
    1,423.39x = 2,473,801.64
  5. Step 5: Solve for x
    x = 2,473,801.64/1,423.39
  6. Step 6: Final answer
    x = 1,737.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.