Home / 2,415.13-3,332.82-1,367.26

Finding the Fourth Proportional to 2,415.13, 3,332.82 and 1,367.26

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Solution

The fourth proportional to 2,415.13, 3,332.82 and 1,367.26 is: 1,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.13 : 3,332.82 = 1,367.26 : x
  2. Step 2: Convert to fraction form
    2,415.13/3,332.82 = 1,367.26/x
  3. Step 3: Cross multiply
    2,415.13x = 3,332.82 × 1,367.26
  4. Step 4: Simplify right side
    2,415.13x = 4,556,831.47
  5. Step 5: Solve for x
    x = 4,556,831.47/2,415.13
  6. Step 6: Final answer
    x = 1,886.79

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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.