Home / 2,317.70-3,198.93-1,531.82

Finding the Fourth Proportional to 2,317.70, 3,198.93 and 1,531.82

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Solution

The fourth proportional to 2,317.70, 3,198.93 and 1,531.82 is: 2,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.70 : 3,198.93 = 1,531.82 : x
  2. Step 2: Convert to fraction form
    2,317.70/3,198.93 = 1,531.82/x
  3. Step 3: Cross multiply
    2,317.70x = 3,198.93 × 1,531.82
  4. Step 4: Simplify right side
    2,317.70x = 4,900,184.95
  5. Step 5: Solve for x
    x = 4,900,184.95/2,317.70
  6. Step 6: Final answer
    x = 2,114.24

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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.