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Finding the Fourth Proportional to 2,643, 3,647.01 and 1,463.91

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Solution

The fourth proportional to 2,643, 3,647.01 and 1,463.91 is: 2,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643 : 3,647.01 = 1,463.91 : x
  2. Step 2: Convert to fraction form
    2,643/3,647.01 = 1,463.91/x
  3. Step 3: Cross multiply
    2,643x = 3,647.01 × 1,463.91
  4. Step 4: Simplify right side
    2,643x = 5,338,894.41
  5. Step 5: Solve for x
    x = 5,338,894.41/2,643
  6. Step 6: Final answer
    x = 2,020.01

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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.