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Finding the Fourth Proportional to 2,641.96, 3,646.11 and 1,463.14

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Solution

The fourth proportional to 2,641.96, 3,646.11 and 1,463.14 is: 2,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.96 : 3,646.11 = 1,463.14 : x
  2. Step 2: Convert to fraction form
    2,641.96/3,646.11 = 1,463.14/x
  3. Step 3: Cross multiply
    2,641.96x = 3,646.11 × 1,463.14
  4. Step 4: Simplify right side
    2,641.96x = 5,334,769.39
  5. Step 5: Solve for x
    x = 5,334,769.39/2,641.96
  6. Step 6: Final answer
    x = 2,019.25

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1.5x scale

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.