Home / 2,260.19-3,117.27-1,375.82

Finding the Fourth Proportional to 2,260.19, 3,117.27 and 1,375.82

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Solution

The fourth proportional to 2,260.19, 3,117.27 and 1,375.82 is: 1,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.19 : 3,117.27 = 1,375.82 : x
  2. Step 2: Convert to fraction form
    2,260.19/3,117.27 = 1,375.82/x
  3. Step 3: Cross multiply
    2,260.19x = 3,117.27 × 1,375.82
  4. Step 4: Simplify right side
    2,260.19x = 4,288,802.41
  5. Step 5: Solve for x
    x = 4,288,802.41/2,260.19
  6. Step 6: Final answer
    x = 1,897.54

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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.