Home / 1,943.67-2,915.46-482.82

Finding the Fourth Proportional to 1,943.67, 2,915.46 and 482.82

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Solution

The fourth proportional to 1,943.67, 2,915.46 and 482.82 is: 724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.67 : 2,915.46 = 482.82 : x
  2. Step 2: Convert to fraction form
    1,943.67/2,915.46 = 482.82/x
  3. Step 3: Cross multiply
    1,943.67x = 2,915.46 × 482.82
  4. Step 4: Simplify right side
    1,943.67x = 1,407,651.52
  5. Step 5: Solve for x
    x = 1,407,651.52/1,943.67
  6. Step 6: Final answer
    x = 724.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.