Home / 2,829.07-4,243.47-1,363.78

Finding the Fourth Proportional to 2,829.07, 4,243.47 and 1,363.78

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Solution

The fourth proportional to 2,829.07, 4,243.47 and 1,363.78 is: 2,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.07 : 4,243.47 = 1,363.78 : x
  2. Step 2: Convert to fraction form
    2,829.07/4,243.47 = 1,363.78/x
  3. Step 3: Cross multiply
    2,829.07x = 4,243.47 × 1,363.78
  4. Step 4: Simplify right side
    2,829.07x = 5,787,159.52
  5. Step 5: Solve for x
    x = 5,787,159.52/2,829.07
  6. Step 6: Final answer
    x = 2,045.60

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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.