Home / 1,962.75-2,957.63-1,623.72

Finding the Fourth Proportional to 1,962.75, 2,957.63 and 1,623.72

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Solution

The fourth proportional to 1,962.75, 2,957.63 and 1,623.72 is: 2,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.75 : 2,957.63 = 1,623.72 : x
  2. Step 2: Convert to fraction form
    1,962.75/2,957.63 = 1,623.72/x
  3. Step 3: Cross multiply
    1,962.75x = 2,957.63 × 1,623.72
  4. Step 4: Simplify right side
    1,962.75x = 4,802,362.98
  5. Step 5: Solve for x
    x = 4,802,362.98/1,962.75
  6. Step 6: Final answer
    x = 2,446.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.