Home / 3,076.39-4,614.93-1,128.59

Finding the Fourth Proportional to 3,076.39, 4,614.93 and 1,128.59

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Solution

The fourth proportional to 3,076.39, 4,614.93 and 1,128.59 is: 1,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.39 : 4,614.93 = 1,128.59 : x
  2. Step 2: Convert to fraction form
    3,076.39/4,614.93 = 1,128.59/x
  3. Step 3: Cross multiply
    3,076.39x = 4,614.93 × 1,128.59
  4. Step 4: Simplify right side
    3,076.39x = 5,208,363.85
  5. Step 5: Solve for x
    x = 5,208,363.85/3,076.39
  6. Step 6: Final answer
    x = 1,693.01

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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.