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Finding the Fourth Proportional to 3,643.43, 5,464 and 1,303.11

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Solution

The fourth proportional to 3,643.43, 5,464 and 1,303.11 is: 1,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.43 : 5,464 = 1,303.11 : x
  2. Step 2: Convert to fraction form
    3,643.43/5,464 = 1,303.11/x
  3. Step 3: Cross multiply
    3,643.43x = 5,464 × 1,303.11
  4. Step 4: Simplify right side
    3,643.43x = 7,120,193.04
  5. Step 5: Solve for x
    x = 7,120,193.04/3,643.43
  6. Step 6: Final answer
    x = 1,954.26

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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.