Home / 1,713.26-2,365.45-1,124.79

Finding the Fourth Proportional to 1,713.26, 2,365.45 and 1,124.79

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Solution

The fourth proportional to 1,713.26, 2,365.45 and 1,124.79 is: 1,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.26 : 2,365.45 = 1,124.79 : x
  2. Step 2: Convert to fraction form
    1,713.26/2,365.45 = 1,124.79/x
  3. Step 3: Cross multiply
    1,713.26x = 2,365.45 × 1,124.79
  4. Step 4: Simplify right side
    1,713.26x = 2,660,634.51
  5. Step 5: Solve for x
    x = 2,660,634.51/1,713.26
  6. Step 6: Final answer
    x = 1,552.97

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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.