Home / 3,122.49-4,685.36-2,263.89

Finding the Fourth Proportional to 3,122.49, 4,685.36 and 2,263.89

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Solution

The fourth proportional to 3,122.49, 4,685.36 and 2,263.89 is: 3,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.49 : 4,685.36 = 2,263.89 : x
  2. Step 2: Convert to fraction form
    3,122.49/4,685.36 = 2,263.89/x
  3. Step 3: Cross multiply
    3,122.49x = 4,685.36 × 2,263.89
  4. Step 4: Simplify right side
    3,122.49x = 10,607,128.33
  5. Step 5: Solve for x
    x = 10,607,128.33/3,122.49
  6. Step 6: Final answer
    x = 3,397.01

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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.