Home / 2,296.74-3,161.28-1,919.46

Finding the Fourth Proportional to 2,296.74, 3,161.28 and 1,919.46

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Solution

The fourth proportional to 2,296.74, 3,161.28 and 1,919.46 is: 2,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.74 : 3,161.28 = 1,919.46 : x
  2. Step 2: Convert to fraction form
    2,296.74/3,161.28 = 1,919.46/x
  3. Step 3: Cross multiply
    2,296.74x = 3,161.28 × 1,919.46
  4. Step 4: Simplify right side
    2,296.74x = 6,067,950.51
  5. Step 5: Solve for x
    x = 6,067,950.51/2,296.74
  6. Step 6: Final answer
    x = 2,641.98

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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.