Home / 3,835.12-5,752.68-1,643.66

Finding the Fourth Proportional to 3,835.12, 5,752.68 and 1,643.66

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Solution

The fourth proportional to 3,835.12, 5,752.68 and 1,643.66 is: 2,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.12 : 5,752.68 = 1,643.66 : x
  2. Step 2: Convert to fraction form
    3,835.12/5,752.68 = 1,643.66/x
  3. Step 3: Cross multiply
    3,835.12x = 5,752.68 × 1,643.66
  4. Step 4: Simplify right side
    3,835.12x = 9,455,450.01
  5. Step 5: Solve for x
    x = 9,455,450.01/3,835.12
  6. Step 6: Final answer
    x = 2,465.49

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Similar ratio
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1.5x scale

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.