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Finding the Fourth Proportional to 2,643.06, 3,646.15 and 1,747.15

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Solution

The fourth proportional to 2,643.06, 3,646.15 and 1,747.15 is: 2,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.06 : 3,646.15 = 1,747.15 : x
  2. Step 2: Convert to fraction form
    2,643.06/3,646.15 = 1,747.15/x
  3. Step 3: Cross multiply
    2,643.06x = 3,646.15 × 1,747.15
  4. Step 4: Simplify right side
    2,643.06x = 6,370,357.49
  5. Step 5: Solve for x
    x = 6,370,357.49/2,643.06
  6. Step 6: Final answer
    x = 2,410.22

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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.