Home / 3,922.98-5,887.32-1,458.16

Finding the Fourth Proportional to 3,922.98, 5,887.32 and 1,458.16

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Solution

The fourth proportional to 3,922.98, 5,887.32 and 1,458.16 is: 2,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.98 : 5,887.32 = 1,458.16 : x
  2. Step 2: Convert to fraction form
    3,922.98/5,887.32 = 1,458.16/x
  3. Step 3: Cross multiply
    3,922.98x = 5,887.32 × 1,458.16
  4. Step 4: Simplify right side
    3,922.98x = 8,584,654.53
  5. Step 5: Solve for x
    x = 8,584,654.53/3,922.98
  6. Step 6: Final answer
    x = 2,188.30

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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.