Home / 2,291.40-3,162.82-1,360.44

Finding the Fourth Proportional to 2,291.40, 3,162.82 and 1,360.44

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Solution

The fourth proportional to 2,291.40, 3,162.82 and 1,360.44 is: 1,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.40 : 3,162.82 = 1,360.44 : x
  2. Step 2: Convert to fraction form
    2,291.40/3,162.82 = 1,360.44/x
  3. Step 3: Cross multiply
    2,291.40x = 3,162.82 × 1,360.44
  4. Step 4: Simplify right side
    2,291.40x = 4,302,826.84
  5. Step 5: Solve for x
    x = 4,302,826.84/2,291.40
  6. Step 6: Final answer
    x = 1,877.82

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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.