Home / 2,351.68-3,243.84-1,513.47

Finding the Fourth Proportional to 2,351.68, 3,243.84 and 1,513.47

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Solution

The fourth proportional to 2,351.68, 3,243.84 and 1,513.47 is: 2,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.68 : 3,243.84 = 1,513.47 : x
  2. Step 2: Convert to fraction form
    2,351.68/3,243.84 = 1,513.47/x
  3. Step 3: Cross multiply
    2,351.68x = 3,243.84 × 1,513.47
  4. Step 4: Simplify right side
    2,351.68x = 4,909,454.52
  5. Step 5: Solve for x
    x = 4,909,454.52/2,351.68
  6. Step 6: Final answer
    x = 2,087.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.