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Finding the Fourth Proportional to 3,643.32, 5,465.32 and 1,451.54

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Solution

The fourth proportional to 3,643.32, 5,465.32 and 1,451.54 is: 2,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.32 : 5,465.32 = 1,451.54 : x
  2. Step 2: Convert to fraction form
    3,643.32/5,465.32 = 1,451.54/x
  3. Step 3: Cross multiply
    3,643.32x = 5,465.32 × 1,451.54
  4. Step 4: Simplify right side
    3,643.32x = 7,933,130.59
  5. Step 5: Solve for x
    x = 7,933,130.59/3,643.32
  6. Step 6: Final answer
    x = 2,177.45

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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.